10156271240 has 64 divisors (see below), whose sum is σ = 24212176560. Its totient is φ = 3820953600.

The previous prime is 10156271239. The next prime is 10156271249. The reversal of 10156271240 is 4217265101.

It can be written as a sum of positive squares in 8 ways, for example, as 2370326596 + 7785944644 = 48686^2 + 88238^2 .

It is a super-2 number, since 2×10156271240² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10156271249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220534 + ... + 1228826.

Almost surely, 2^10156271240 is an apocalyptic number.

10156271240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10156271240 is an abundant number, since it is smaller than the sum of its proper divisors (14055905320).

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

10156271240 is a wasteful number, since it uses less digits than its factorization.

10156271240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10122 (or 10118 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 10156271240 in words is "ten billion, one hundred fifty-six million, two hundred seventy-one thousand, two hundred forty".