10156642240 has 56 divisors (see below), whose sum is σ = 24213750912. Its totient is φ = 4057912320.

The previous prime is 10156642217. The next prime is 10156642253. The reversal of 10156642240 is 4224665101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262545 + ... + 298735.

Almost surely, 2^10156642240 is an apocalyptic number.

10156642240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10156642240 is an abundant number, since it is smaller than the sum of its proper divisors (14057108672).

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

10156642240 is an equidigital number, since it uses as much as digits as its factorization.

10156642240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37085 (or 37075 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 10156642240 in words is "ten billion, one hundred fifty-six million, six hundred forty-two thousand, two hundred forty".