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40152622240 = 255250953889
BaseRepresentation
bin100101011001010010…
…000110010010100000
310211122022020112212001
4211121102012102200
51124213032402430
630240150013344
72621006441413
oct453122062240
9124568215761
1040152622240
1116035121425
127947047254
133a2b88bb93
141d2c979b7a
1510a00d33ca
hex9594864a0

40152622240 has 24 divisors (see below), whose sum is σ = 94860570420. Its totient is φ = 16061048832.

The previous prime is 40152622199. The next prime is 40152622243. The reversal of 40152622240 is 4222625104.

It can be written as a sum of positive squares in 2 ways, for example, as 40110476176 + 42146064 = 200276^2 + 6492^2 .

It is a super-2 number, since 2×401526222402 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40152622199 and 40152622208.

It is not an unprimeable number, because it can be changed into a prime (40152622243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125476785 + ... + 125477104.

Almost surely, 240152622240 is an apocalyptic number.

40152622240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40152622240 is an abundant number, since it is smaller than the sum of its proper divisors (54707948180).

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

40152622240 is a wasteful number, since it uses less digits than its factorization.

40152622240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250953904 (or 250953896 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 40152622240 in words is "forty billion, one hundred fifty-two million, six hundred twenty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 250953889 501907778 1003815556 1254769445 2007631112 2509538890 4015262224 5019077780 8030524448 10038155560 20076311120 40152622240