42788860 has 24 divisors (see below), whose sum is σ = 91125216. Its totient is φ = 16873920.

The previous prime is 42788857. The next prime is 42788873. The reversal of 42788860 is 6888724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13647 + ... + 16486.

It is an arithmetic number, because the mean of its divisors is an integer number (3796884).

Almost surely, 2^42788860 is an apocalyptic number.

It is an amenable number.

42788860 is an abundant number, since it is smaller than the sum of its proper divisors (48336356).

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

42788860 is a wasteful number, since it uses less digits than its factorization.

42788860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30213 (or 30211 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 42788860 is about 6541.3194387677. The cubic root of 42788860 is about 349.7654482930.

The spelling of 42788860 in words is "forty-two million, seven hundred eighty-eight thousand, eight hundred sixty".