432004140 has 72 divisors (see below), whose sum is σ = 1379392560. Its totient is φ = 109137024.

The previous prime is 432004129. The next prime is 432004163. The reversal of 432004140 is 41400234.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59739 + ... + 66578.

It is an arithmetic number, because the mean of its divisors is an integer number (19158230).

Almost surely, 2^432004140 is an apocalyptic number.

It is an amenable number.

432004140 is an abundant number, since it is smaller than the sum of its proper divisors (947388420).

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

432004140 is a wasteful number, since it uses less digits than its factorization.

432004140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126351 (or 126346 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 432004140 is about 20784.7092835094. The cubic root of 432004140 is about 755.9550447779.

Adding to 432004140 its reverse (41400234), we get a palindrome (473404374).

The spelling of 432004140 in words is "four hundred thirty-two million, four thousand, one hundred forty".