432090820 has 48 divisors (see below), whose sum is σ = 1058198400. Its totient is φ = 148143072.

The previous prime is 432090781. The next prime is 432090851. The reversal of 432090820 is 28090234.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24634 + ... + 38353.

It is an arithmetic number, because the mean of its divisors is an integer number (22045800).

Almost surely, 2^432090820 is an apocalyptic number.

It is an amenable number.

432090820 is an abundant number, since it is smaller than the sum of its proper divisors (626107580).

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

432090820 is a wasteful number, since it uses less digits than its factorization.

432090820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63017 (or 63001 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 432090820 is about 20786.7943656544. The cubic root of 432090820 is about 756.0056012388.

The spelling of 432090820 in words is "four hundred thirty-two million, ninety thousand, eight hundred twenty".