42165625504 has 48 divisors (see below), whose sum is σ = 87934002408. Its totient is φ = 19834232832.

The previous prime is 42165625499. The next prime is 42165625519. The reversal of 42165625504 is 40552656124.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42085701904 + 79923600 = 205148^2 + 8940^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375852 + ... + 1406164.

Almost surely, 2^42165625504 is an apocalyptic number.

It is an amenable number.

42165625504 is an abundant number, since it is smaller than the sum of its proper divisors (45768376904).

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

42165625504 is a wasteful number, since it uses less digits than its factorization.

42165625504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32897 (or 32889 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 42165625504 in words is "forty-two billion, one hundred sixty-five million, six hundred twenty-five thousand, five hundred four".