42816518928 has 60 divisors (see below), whose sum is σ = 120026407228. Its totient is φ = 14248396800.

The previous prime is 42816518887. The next prime is 42816518939. The reversal of 42816518928 is 82981561824.

42816518928 is a `hidden beast` number, since 4 + 28 + 16 + 518 + 92 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34435482624 + 8381036304 = 185568^2 + 91548^2 .

It is a super-2 number, since 2×42816518928² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160825 + ... + 333912.

Almost surely, 2^42816518928 is an apocalyptic number.

42816518928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42816518928 is an abundant number, since it is smaller than the sum of its proper divisors (77209888300).

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

42816518928 is a wasteful number, since it uses less digits than its factorization.

42816518928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495352 (or 495343 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The spelling of 42816518928 in words is "forty-two billion, eight hundred sixteen million, five hundred eighteen thousand, nine hundred twenty-eight".