401332311111232 has 56 divisors (see below), whose sum is σ = 799216526206880. Its totient is φ = 199956107105280.

The previous prime is 401332311111181. The next prime is 401332311111247. The reversal of 401332311111232 is 232111113233104.

It is a happy number.

It is a super-2 number, since 2×401332311111232² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401332311111232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12330307 + ... + 30898237.

Almost surely, 2^{401332311111232} is an apocalyptic number.

It is an amenable number.

401332311111232 is a deficient number, since it is larger than the sum of its proper divisors (397884215095648).

401332311111232 is a wasteful number, since it uses less digits than its factorization.

401332311111232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18569139 (or 18569129 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 401332311111232 its reverse (232111113233104), we get a palindrome (633443424344336).

The spelling of 401332311111232 in words is "four hundred one trillion, three hundred thirty-two billion, three hundred eleven million, one hundred eleven thousand, two hundred thirty-two".