431040324 has 96 divisors (see below), whose sum is σ = 1187665920. Its totient is φ = 119952000.

The previous prime is 431040319. The next prime is 431040341. The reversal of 431040324 is 423040134.

It is a self number, because there is not a number n which added to its sum of digits gives 431040324.

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 31 ways as a sum of consecutive naturals, for example, 409599 + ... + 410649.

It is an arithmetic number, because the mean of its divisors is an integer number (12371520).

Almost surely, 2^431040324 is an apocalyptic number.

431040324 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431040324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593832960).

431040324 is an abundant number, since it is smaller than the sum of its proper divisors (756625596).

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

431040324 is a wasteful number, since it uses less digits than its factorization.

431040324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 431040324 is about 20761.5106386795. The cubic root of 431040324 is about 755.3924389928.

Adding to 431040324 its reverse (423040134), we get a palindrome (854080458).

The spelling of 431040324 in words is "four hundred thirty-one million, forty thousand, three hundred twenty-four".