426663250 has 64 divisors (see below), whose sum is σ = 876736224. Its totient is φ = 154502400.

The previous prime is 426663239. The next prime is 426663269. The reversal of 426663250 is 52366624.

It can be written as a sum of positive squares in 16 ways, for example, as 35533521 + 391129729 = 5961^2 + 19777^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171012 + ... + 173488.

Almost surely, 2^426663250 is an apocalyptic number.

426663250 is an abundant number, since it is smaller than the sum of its proper divisors (450072974).

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

426663250 is a wasteful number, since it uses less digits than its factorization.

426663250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560 (or 2550 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 426663250 is about 20655.8284752754. The cubic root of 426663250 is about 752.8268135954.

The spelling of 426663250 in words is "four hundred twenty-six million, six hundred sixty-three thousand, two hundred fifty".