401532312502344 has 32 divisors (see below), whose sum is σ = 1003831765200000. Its totient is φ = 133843972974912.

The previous prime is 401532312502327. The next prime is 401532312502393. The reversal of 401532312502344 is 443205213235104.

It is a happy number.

It is a super-2 number, since 2×401532312502344² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18580657 + ... + 33886655.

It is an arithmetic number, because the mean of its divisors is an integer number (31369742662500).

Almost surely, 2^{401532312502344} is an apocalyptic number.

It is an amenable number.

401532312502344 is an abundant number, since it is smaller than the sum of its proper divisors (602299452697656).

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

401532312502344 is a wasteful number, since it uses less digits than its factorization.

401532312502344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16399077 (or 16399073 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 401532312502344 its reverse (443205213235104), we get a palindrome (844737525737448).

The spelling of 401532312502344 in words is "four hundred one trillion, five hundred thirty-two billion, three hundred twelve million, five hundred two thousand, three hundred forty-four".