401333220316 has 36 divisors (see below), whose sum is σ = 817139978928. Its totient is φ = 171970434048.

The previous prime is 401333220271. The next prime is 401333220391. The reversal of 401333220316 is 613022333104.

It is a super-2 number, since 2×401333220316² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 988956 + ... + 1334428.

It is an arithmetic number, because the mean of its divisors is an integer number (22698332748).

Almost surely, 2^401333220316 is an apocalyptic number.

It is an amenable number.

401333220316 is an abundant number, since it is smaller than the sum of its proper divisors (415806758612).

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

401333220316 is a wasteful number, since it uses less digits than its factorization.

401333220316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351418 (or 351409 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The spelling of 401333220316 in words is "four hundred one billion, three hundred thirty-three million, two hundred twenty thousand, three hundred sixteen".