402495630 has 96 divisors (see below), whose sum is σ = 1043269632. Its totient is φ = 99190080.

The previous prime is 402495619. The next prime is 402495649. The reversal of 402495630 is 36594204.

It is a junction number, because it is equal to n+sod(n) for n = 402495591 and 402495600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 662787 + ... + 663393.

It is an arithmetic number, because the mean of its divisors is an integer number (10867392).

Almost surely, 2^402495630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402495630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521634816).

402495630 is an abundant number, since it is smaller than the sum of its proper divisors (640774002).

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

402495630 is a wasteful number, since it uses less digits than its factorization.

402495630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 402495630 is about 20062.2937372575. The cubic root of 402495630 is about 738.3354538759.

The spelling of 402495630 in words is "four hundred two million, four hundred ninety-five thousand, six hundred thirty".