401531710932 has 216 divisors, whose sum is σ = 1123969785120. Its totient is φ = 120772080000.

The previous prime is 401531710907. The next prime is 401531710961. The reversal of 401531710932 is 239017135104.

401531710932 is a `hidden beast` number, since 401 + 53 + 171 + 0 + 9 + 32 = 666.

It is a super-2 number, since 2×401531710932² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 484356294 + ... + 484357122.

It is an arithmetic number, because the mean of its divisors is an integer number (5203563820).

Almost surely, 2^401531710932 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 401531710932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561984892560).

401531710932 is an abundant number, since it is smaller than the sum of its proper divisors (722438074188).

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

401531710932 is a wasteful number, since it uses less digits than its factorization.

401531710932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 401531710932 in words is "four hundred one billion, five hundred thirty-one million, seven hundred ten thousand, nine hundred thirty-two".