818402532 has 48 divisors (see below), whose sum is σ = 1929580800. Its totient is φ = 269961120.

The previous prime is 818402527. The next prime is 818402549. The reversal of 818402532 is 235204818.

818402532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×818402532² = 1339565408768022048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 818402493 and 818402502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698307 + ... + 699477.

It is an arithmetic number, because the mean of its divisors is an integer number (40199600).

Almost surely, 2^818402532 is an apocalyptic number.

It is an amenable number.

818402532 is an abundant number, since it is smaller than the sum of its proper divisors (1111178268).

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

818402532 is a wasteful number, since it uses less digits than its factorization.

818402532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736 (or 1734 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 818402532 is about 28607.7355273010. The cubic root of 818402532 is about 935.3819564836.

The spelling of 818402532 in words is "eight hundred eighteen million, four hundred two thousand, five hundred thirty-two".