404097831552 has 128 divisors (see below), whose sum is σ = 1100256292800. Its totient is φ = 131331317760.

The previous prime is 404097831547. The next prime is 404097831569. The reversal of 404097831552 is 255138790404.

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 28158843 + ... + 28173189.

Almost surely, 2^404097831552 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 404097831552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550128146400).

404097831552 is an abundant number, since it is smaller than the sum of its proper divisors (696158461248).

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

404097831552 is a wasteful number, since it uses less digits than its factorization.

404097831552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16194 (or 16182 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 404097831552 in words is "four hundred four billion, ninety-seven million, eight hundred thirty-one thousand, five hundred fifty-two".