42057090425 has 24 divisors (see below), whose sum is σ = 62737800000. Its totient is φ = 27321295680.

The previous prime is 42057090401. The next prime is 42057090451. The reversal of 42057090425 is 52409075024.

42057090425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-42057090425 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6321050 + ... + 6327699.

It is an arithmetic number, because the mean of its divisors is an integer number (2614075000).

Almost surely, 2^42057090425 is an apocalyptic number.

It is an amenable number.

42057090425 is a deficient number, since it is larger than the sum of its proper divisors (20680709575).

42057090425 is a wasteful number, since it uses less digits than its factorization.

42057090425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12648785 (or 12648780 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 42057090425 in words is "forty-two billion, fifty-seven million, ninety thousand, four hundred twenty-five".