42790788 has 48 divisors (see below), whose sum is σ = 114526720. Its totient is φ = 13802400.

The previous prime is 42790729. The next prime is 42790789. The reversal of 42790788 is 88709724.

42790788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42790789) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3043 + ... + 9738.

Almost surely, 2^42790788 is an apocalyptic number.

It is an amenable number.

42790788 is an abundant number, since it is smaller than the sum of its proper divisors (71735932).

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

42790788 is a wasteful number, since it uses less digits than its factorization.

42790788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12825 (or 12817 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 42790788 is about 6541.4668079873. The cubic root of 42790788 is about 349.7707015112.

The spelling of 42790788 in words is "forty-two million, seven hundred ninety thousand, seven hundred eighty-eight".