426065988 has 24 divisors (see below), whose sum is σ = 995468320. Its totient is φ = 141834240.

The previous prime is 426065977. The next prime is 426066023. The reversal of 426065988 is 889560624.

It is a happy number.

It is a super-2 number, since 2×426065988² = 363064452260832288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 13858 + ... + 32313.

Almost surely, 2^426065988 is an apocalyptic number.

It is an amenable number.

426065988 is an abundant number, since it is smaller than the sum of its proper divisors (569402332).

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

426065988 is a wasteful number, since it uses less digits than its factorization.

426065988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46947 (or 46945 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 426065988 is about 20641.3659431734. The cubic root of 426065988 is about 752.4753695172.

The spelling of 426065988 in words is "four hundred twenty-six million, sixty-five thousand, nine hundred eighty-eight".