401313232 has 10 divisors (see below), whose sum is σ = 777544418. Its totient is φ = 200656608.

The previous prime is 401313161. The next prime is 401313233. The reversal of 401313232 is 232313104.

It can be written as a sum of positive squares in only one way, i.e., 359633296 + 41679936 = 18964^2 + 6456^2 .

It is a super-2 number, since 2×401313232² = 322104620356571648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401313233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12541023 + ... + 12541054.

Almost surely, 2^401313232 is an apocalyptic number.

It is an amenable number.

401313232 is a deficient number, since it is larger than the sum of its proper divisors (376231186).

401313232 is a wasteful number, since it uses less digits than its factorization.

401313232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25082085 (or 25082079 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 401313232 is about 20032.8038976075. The cubic root of 401313232 is about 737.6117502594.

Adding to 401313232 its reverse (232313104), we get a palindrome (633626336).

The spelling of 401313232 in words is "four hundred one million, three hundred thirteen thousand, two hundred thirty-two".