431040352 has 12 divisors (see below), whose sum is σ = 848610756. Its totient is φ = 215520160.

The previous prime is 431040347. The next prime is 431040359. The reversal of 431040352 is 253040134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431040359) by changing a digit.

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 as a sum of consecutive naturals, namely, 6734974 + ... + 6735037.

It is an arithmetic number, because the mean of its divisors is an integer number (70717563).

Almost surely, 2^431040352 is an apocalyptic number.

It is an amenable number.

431040352 is a deficient number, since it is larger than the sum of its proper divisors (417570404).

431040352 is a wasteful number, since it uses less digits than its factorization.

431040352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13470021 (or 13470013 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 431040352 is about 20761.5113130042. The cubic root of 431040352 is about 755.3924553493.

Adding to 431040352 its reverse (253040134), we get a palindrome (684080486).

The spelling of 431040352 in words is "four hundred thirty-one million, forty thousand, three hundred fifty-two".