42725931688 has 32 divisors (see below), whose sum is σ = 87410662560. Its totient is φ = 19417164480.

The previous prime is 42725931679. The next prime is 42725931733. The reversal of 42725931688 is 88613952724.

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, 445906 + ... + 533182.

It is an arithmetic number, because the mean of its divisors is an integer number (2731583205).

Almost surely, 2^42725931688 is an apocalyptic number.

It is an amenable number.

42725931688 is an abundant number, since it is smaller than the sum of its proper divisors (44684730872).

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

42725931688 is a wasteful number, since it uses less digits than its factorization.

42725931688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92857 (or 92853 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The spelling of 42725931688 in words is "forty-two billion, seven hundred twenty-five million, nine hundred thirty-one thousand, six hundred eighty-eight".