401402886304 has 96 divisors (see below), whose sum is σ = 906265584000. Its totient is φ = 171438489600.

The previous prime is 401402886277. The next prime is 401402886317. The reversal of 401402886304 is 403688204104.

It is a happy number.

It is a super-2 number, since 2×401402886304² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188539512 + ... + 188541640.

It is an arithmetic number, because the mean of its divisors is an integer number (9440266500).

Almost surely, 2^401402886304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401402886304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453132792000).

401402886304 is an abundant number, since it is smaller than the sum of its proper divisors (504862697696).

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

401402886304 is a wasteful number, since it uses less digits than its factorization.

401402886304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646 (or 4638 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 401402886304 in words is "four hundred one billion, four hundred two million, eight hundred eighty-six thousand, three hundred four".