42890518008 has 80 divisors (see below), whose sum is σ = 129374201880. Its totient is φ = 13197079872.

The previous prime is 42890517997. The next prime is 42890518051. The reversal of 42890518008 is 80081509824.

It is a happy number.

42890518008 is a `hidden beast` number, since 42 + 8 + 90 + 518 + 0 + 0 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2537310 + ... + 2554157.

Almost surely, 2^42890518008 is an apocalyptic number.

It is an amenable number.

42890518008 is an abundant number, since it is smaller than the sum of its proper divisors (86483683872).

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

42890518008 is a wasteful number, since it uses less digits than its factorization.

42890518008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091498 (or 5091485 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 42890518008 in words is "forty-two billion, eight hundred ninety million, five hundred eighteen thousand, eight".