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244424342540 = 22571745888161
BaseRepresentation
bin1110001110100011010…
…0110111110000001100
3212100220100112002222102
43203220310313300030
513001040112430130
6304141553534232
723442030426440
oct3435064676014
9770810462872
10244424342540
1194729195284
123b455274378
131a083ba85b1
14bb8a102820
1565585a2645
hex38e8d37c0c

244424342540 has 24 divisors (see below), whose sum is σ = 586618422432. Its totient is φ = 83802631680.

The previous prime is 244424342531. The next prime is 244424342543. The reversal of 244424342540 is 45243424442.

244424342540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2444243425402 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244424342494 and 244424342503.

It is not an unprimeable number, because it can be changed into a prime (244424342543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872943941 + ... + 872944220.

It is an arithmetic number, because the mean of its divisors is an integer number (24442434268).

Almost surely, 2244424342540 is an apocalyptic number.

244424342540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244424342540 is an abundant number, since it is smaller than the sum of its proper divisors (342194079892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244424342540 is a wasteful number, since it uses less digits than its factorization.

244424342540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745888177 (or 1745888175 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 38.

Adding to 244424342540 its reverse (45243424442), we get a palindrome (289667766982).

The spelling of 244424342540 in words is "two hundred forty-four billion, four hundred twenty-four million, three hundred forty-two thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1745888161 3491776322 6983552644 8729440805 12221217127 17458881610 24442434254 34917763220 48884868508 61106085635 122212171270 244424342540