426566475 has 18 divisors (see below), whose sum is σ = 764028356. Its totient is φ = 227502000.

The previous prime is 426566449. The next prime is 426566489. The reversal of 426566475 is 574665624.

426566475 is a `hidden beast` number, since 42 + 6 + 566 + 47 + 5 = 666.

It is not a de Polignac number, because 426566475 - 2⁷ = 426566347 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426566475.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 947701 + ... + 948150.

Almost surely, 2^426566475 is an apocalyptic number.

426566475 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

426566475 is a deficient number, since it is larger than the sum of its proper divisors (337461881).

426566475 is a wasteful number, since it uses less digits than its factorization.

426566475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895867 (or 1895859 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 426566475 is about 20653.4857832764. The cubic root of 426566475 is about 752.7698910116.

The spelling of 426566475 in words is "four hundred twenty-six million, five hundred sixty-six thousand, four hundred seventy-five".