401594632608 has 192 divisors, whose sum is σ = 1177042406400. Its totient is φ = 119056711680.

The previous prime is 401594632589. The next prime is 401594632613. The reversal of 401594632608 is 806236495104.

It is a super-2 number, since 2×401594632608² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8836888 + ... + 8882216.

It is an arithmetic number, because the mean of its divisors is an integer number (6130429200).

Almost surely, 2^401594632608 is an apocalyptic number.

401594632608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401594632608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588521203200).

401594632608 is an abundant number, since it is smaller than the sum of its proper divisors (775447773792).

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

401594632608 is a wasteful number, since it uses less digits than its factorization.

401594632608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45615 (or 45607 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 401594632608 in words is "four hundred one billion, five hundred ninety-four million, six hundred thirty-two thousand, six hundred eight".