401323232 has 12 divisors (see below), whose sum is σ = 790105176. Its totient is φ = 200661600.

The previous prime is 401323231. The next prime is 401323253. The reversal of 401323232 is 232323104.

It is a super-2 number, since 2×401323232² = 322120673085851648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401323231) 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, 6270644 + ... + 6270707.

It is an arithmetic number, because the mean of its divisors is an integer number (65842098).

Almost surely, 2^401323232 is an apocalyptic number.

It is an amenable number.

401323232 is a deficient number, since it is larger than the sum of its proper divisors (388781944).

401323232 is a wasteful number, since it uses less digits than its factorization.

401323232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12541361 (or 12541353 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 401323232 is about 20033.0534866755. The cubic root of 401323232 is about 737.6178768589.

Adding to 401323232 its reverse (232323104), we get a palindrome (633646336).

The spelling of 401323232 in words is "four hundred one million, three hundred twenty-three thousand, two hundred thirty-two".