402634452 has 24 divisors (see below), whose sum is σ = 1024888032. Its totient is φ = 122010400.

The previous prime is 402634439. The next prime is 402634469. The reversal of 402634452 is 254436204.

It is a super-2 number, since 2×402634452² = 324229003874680608, which contains 22 as substring.

It is a congruent number.

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, 1524999 + ... + 1525262.

It is an arithmetic number, because the mean of its divisors is an integer number (42703668).

Almost surely, 2^402634452 is an apocalyptic number.

It is an amenable number.

402634452 is an abundant number, since it is smaller than the sum of its proper divisors (622253580).

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

402634452 is a wasteful number, since it uses less digits than its factorization.

402634452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050279 (or 3050277 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 402634452 is about 20065.7532128749. The cubic root of 402634452 is about 738.4203288535.

The spelling of 402634452 in words is "four hundred two million, six hundred thirty-four thousand, four hundred fifty-two".