42888409525 has 24 divisors (see below), whose sum is σ = 57298770144. Its totient is φ = 31656926400.

The previous prime is 42888409519. The next prime is 42888409549. The reversal of 42888409525 is 52590488824.

It is not a de Polignac number, because 42888409525 - 2⁵ = 42888409493 is a prime.

It is a super-2 number, since 2×42888409525² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 707670 + ... + 765880.

It is an arithmetic number, because the mean of its divisors is an integer number (2387448756).

Almost surely, 2^42888409525 is an apocalyptic number.

It is an amenable number.

42888409525 is a deficient number, since it is larger than the sum of its proper divisors (14410360619).

42888409525 is a wasteful number, since it uses less digits than its factorization.

42888409525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60501 (or 60496 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 55.

The spelling of 42888409525 in words is "forty-two billion, eight hundred eighty-eight million, four hundred nine thousand, five hundred twenty-five".