420042888 has 64 divisors (see below), whose sum is σ = 1168512000. Its totient is φ = 139807296.

The previous prime is 420042869. The next prime is 420042977. The reversal of 420042888 is 888240024.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233898 + ... + 235686.

It is an arithmetic number, because the mean of its divisors is an integer number (18258000).

Almost surely, 2^420042888 is an apocalyptic number.

It is an amenable number.

420042888 is an abundant number, since it is smaller than the sum of its proper divisors (748469112).

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

420042888 is a wasteful number, since it uses less digits than its factorization.

420042888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891 (or 2881 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 420042888 is about 20494.9478652667. The cubic root of 420042888 is about 748.9127285494.

The spelling of 420042888 in words is "four hundred twenty million, forty-two thousand, eight hundred eighty-eight".