401503255151504 has 80 divisors (see below), whose sum is σ = 866808764902656. Its totient is φ = 178593555379200.

The previous prime is 401503255151387. The next prime is 401503255151539. The reversal of 401503255151504 is 405151552305104.

It is a super-2 number, since 2×401503255151504² (a number of 30 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, 55986674 + ... + 62749614.

Almost surely, 2^{401503255151504} is an apocalyptic number.

401503255151504 is a gapful number since it is divisible by the number (44) 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 401503255151504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433404382451328).

401503255151504 is an abundant number, since it is smaller than the sum of its proper divisors (465305509751152).

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

401503255151504 is a wasteful number, since it uses less digits than its factorization.

401503255151504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6770184 (or 6770178 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 401503255151504 in words is "four hundred one trillion, five hundred three billion, two hundred fifty-five million, one hundred fifty-one thousand, five hundred four".