402654532 has 24 divisors (see below), whose sum is σ = 806294720. Its totient is φ = 172355040.

The previous prime is 402654529. The next prime is 402654541. The reversal of 402654532 is 235456204.

It is a junction number, because it is equal to n+sod(n) for n = 402654494 and 402654503.

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, 15682 + ... + 32422.

Almost surely, 2^402654532 is an apocalyptic number.

It is an amenable number.

402654532 is an abundant number, since it is smaller than the sum of its proper divisors (403640188).

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

402654532 is a wasteful number, since it uses less digits than its factorization.

402654532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17611 (or 17609 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 402654532 is about 20066.2535616393. The cubic root of 402654532 is about 738.4326040357.

The spelling of 402654532 in words is "four hundred two million, six hundred fifty-four thousand, five hundred thirty-two".