403140232 has 16 divisors (see below), whose sum is σ = 824605200. Its totient is φ = 183245520.

The previous prime is 403140217. The next prime is 403140247. The reversal of 403140232 is 232041304.

It is an interprime number because it is at equal distance from previous prime (403140217) and next prime (403140247).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2290482 + ... + 2290657.

It is an arithmetic number, because the mean of its divisors is an integer number (51537825).

Almost surely, 2^403140232 is an apocalyptic number.

It is an amenable number.

403140232 is an abundant number, since it is smaller than the sum of its proper divisors (421464968).

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

403140232 is a wasteful number, since it uses less digits than its factorization.

403140232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581156 (or 4581152 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 403140232 is about 20078.3523228376. The cubic root of 403140232 is about 738.7293949359.

Adding to 403140232 its reverse (232041304), we get a palindrome (635181536).

The spelling of 403140232 in words is "four hundred three million, one hundred forty thousand, two hundred thirty-two".