401525231112320 has 96 divisors (see below), whose sum is σ = 1116614011735980. Its totient is φ = 137665793513472.

The previous prime is 401525231112311. The next prime is 401525231112347. The reversal of 401525231112320 is 23211132525104.

It can be written as a sum of positive squares in 2 ways, for example, as 360726147955264 + 40799083157056 = 18992792^2 + 6387416^2 .

It is a super-2 number, since 2×401525231112320² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6401837759 + ... + 6401900478.

Almost surely, 2^{401525231112320} is an apocalyptic number.

401525231112320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401525231112320 is an abundant number, since it is smaller than the sum of its proper divisors (715088780623660).

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

401525231112320 is a wasteful number, since it uses less digits than its factorization.

401525231112320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12803738270 (or 12803738251 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 401525231112320 its reverse (23211132525104), we get a palindrome (424736363637424).

The spelling of 401525231112320 in words is "four hundred one trillion, five hundred twenty-five billion, two hundred thirty-one million, one hundred twelve thousand, three hundred twenty".