402453604 has 24 divisors (see below), whose sum is σ = 805412160. Its totient is φ = 172371936.

The previous prime is 402453587. The next prime is 402453607. The reversal of 402453604 is 406354204.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (402453607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54459 + ... + 61405.

It is an arithmetic number, because the mean of its divisors is an integer number (33558840).

Almost surely, 2^402453604 is an apocalyptic number.

It is an amenable number.

402453604 is an abundant number, since it is smaller than the sum of its proper divisors (402958556).

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

402453604 is a wasteful number, since it uses less digits than its factorization.

402453604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9027 (or 9025 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 402453604 is about 20061.2463222004. The cubic root of 402453604 is about 738.3097555714.

The spelling of 402453604 in words is "four hundred two million, four hundred fifty-three thousand, six hundred four".