432401540 has 24 divisors (see below), whose sum is σ = 908712000. Its totient is φ = 172833248.

The previous prime is 432401537. The next prime is 432401549. The reversal of 432401540 is 45104234.

It is not an unprimeable number, because it can be changed into a prime (432401549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22769 + ... + 37191.

It is an arithmetic number, because the mean of its divisors is an integer number (37863000).

Almost surely, 2^432401540 is an apocalyptic number.

It is an amenable number.

432401540 is an abundant number, since it is smaller than the sum of its proper divisors (476310460).

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

432401540 is a wasteful number, since it uses less digits than its factorization.

432401540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15931 (or 15929 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 432401540 is about 20794.2669983820. The cubic root of 432401540 is about 756.1867743969.

Adding to 432401540 its reverse (45104234), we get a palindrome (477505774).

The spelling of 432401540 in words is "four hundred thirty-two million, four hundred one thousand, five hundred forty".