42497856372 has 12 divisors (see below), whose sum is σ = 99161664896. Its totient is φ = 14165952120.

The previous prime is 42497856319. The next prime is 42497856397. The reversal of 42497856372 is 27365879424.

42497856372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770744004 + ... + 1770744027.

Almost surely, 2^42497856372 is an apocalyptic number.

It is an amenable number.

42497856372 is an abundant number, since it is smaller than the sum of its proper divisors (56663808524).

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

42497856372 is a wasteful number, since it uses less digits than its factorization.

42497856372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541488038 (or 3541488036 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 57.

The spelling of 42497856372 in words is "forty-two billion, four hundred ninety-seven million, eight hundred fifty-six thousand, three hundred seventy-two".