402504606 has 64 divisors (see below), whose sum is σ = 1025640960. Its totient is φ = 114618240.

The previous prime is 402504593. The next prime is 402504617. The reversal of 402504606 is 606405204.

It is a happy number.

402504606 is a `hidden beast` number, since 4 + 0 + 2 + 50 + 4 + 606 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 402504606.

It is a congruent number.

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, 123510 + ... + 126726.

It is an arithmetic number, because the mean of its divisors is an integer number (16025640).

Almost surely, 2^402504606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402504606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512820480).

402504606 is an abundant number, since it is smaller than the sum of its proper divisors (623136354).

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

402504606 is a wasteful number, since it uses less digits than its factorization.

402504606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566 (or 3560 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 402504606 is about 20062.5174392448. The cubic root of 402504606 is about 738.3409423411.

The spelling of 402504606 in words is "four hundred two million, five hundred four thousand, six hundred six".