432181453640 has 64 divisors (see below), whose sum is σ = 999152098560. Its totient is φ = 168151495680.

The previous prime is 432181453589. The next prime is 432181453661. The reversal of 432181453640 is 46354181234.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 106784 + ... + 935823.

It is an arithmetic number, because the mean of its divisors is an integer number (15611751540).

Almost surely, 2^432181453640 is an apocalyptic number.

432181453640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

432181453640 is an abundant number, since it is smaller than the sum of its proper divisors (566970644920).

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

432181453640 is a wasteful number, since it uses less digits than its factorization.

432181453640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042902 (or 1042898 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 432181453640 in words is "four hundred thirty-two billion, one hundred eighty-one million, four hundred fifty-three thousand, six hundred forty".