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244404344440 = 23557710589443
BaseRepresentation
bin1110001110011110100…
…0100101011001111000
3212100211221220002202001
43203213220211121320
513001020003010230
6304140001150344
723441365436104
oct3434750453170
9770757802661
10244404344440
1194718976423
123b44a62b3b4
131a07c9c5cb9
14bb875b8904
1565569520ca
hex38e7a25678

244404344440 has 32 divisors (see below), whose sum is σ = 550862876880. Its totient is φ = 97592297472.

The previous prime is 244404344423. The next prime is 244404344447. The reversal of 244404344440 is 44443404442.

It is a super-2 number, since 2×2444043444402 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 244404344440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244404344447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5271642 + ... + 5317801.

Almost surely, 2244404344440 is an apocalyptic number.

244404344440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244404344440 is an abundant number, since it is smaller than the sum of its proper divisors (306458532440).

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

244404344440 is a wasteful number, since it uses less digits than its factorization.

244404344440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10590031 (or 10590027 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 37.

Adding to 244404344440 its reverse (44443404442), we get a palindrome (288847748882).

The spelling of 244404344440 in words is "two hundred forty-four billion, four hundred four million, three hundred forty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 577 1154 2308 2885 4616 5770 11540 23080 10589443 21178886 42357772 52947215 84715544 105894430 211788860 423577720 6110108611 12220217222 24440434444 30550543055 48880868888 61101086110 122202172220 244404344440