42888780 has 72 divisors (see below), whose sum is σ = 141929424. Its totient is φ = 10396800.

The previous prime is 42888751. The next prime is 42888793. The reversal of 42888780 is 8788824.

42888780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 8851 + ... + 12810.

It is an arithmetic number, because the mean of its divisors is an integer number (1971242).

Almost surely, 2^42888780 is an apocalyptic number.

It is an amenable number.

42888780 is an abundant number, since it is smaller than the sum of its proper divisors (99040644).

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

42888780 is a wasteful number, since it uses less digits than its factorization.

42888780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21687 (or 21682 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 45.

The square root of 42888780 is about 6548.9525880098. The cubic root of 42888780 is about 350.0374925822.

The spelling of 42888780 in words is "forty-two million, eight hundred eighty-eight thousand, seven hundred eighty".