42510765928 has 16 divisors (see below), whose sum is σ = 79710076260. Its totient is φ = 21254745600.

The previous prime is 42510765923. The next prime is 42510765929. The reversal of 42510765928 is 82956701524.

It can be written as a sum of positive squares in 2 ways, for example, as 39520644804 + 2990121124 = 198798^2 + 54682^2 .

It is not an unprimeable number, because it can be changed into a prime (42510765923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324258 + ... + 436078.

Almost surely, 2^42510765928 is an apocalyptic number.

It is an amenable number.

42510765928 is a deficient number, since it is larger than the sum of its proper divisors (37199310332).

42510765928 is a wasteful number, since it uses less digits than its factorization.

42510765928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159348 (or 159344 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 42510765928 in words is "forty-two billion, five hundred ten million, seven hundred sixty-five thousand, nine hundred twenty-eight".