404464970832 has 160 divisors (see below), whose sum is σ = 1152431739648. Its totient is φ = 121468059648.

The previous prime is 404464970821. The next prime is 404464970837. The reversal of 404464970832 is 238079464404.

It is a super-2 number, since 2×404464970832² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404464970837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6351213 + ... + 6414579.

Almost surely, 2^404464970832 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 404464970832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576215869824).

404464970832 is an abundant number, since it is smaller than the sum of its proper divisors (747966768816).

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

404464970832 is a wasteful number, since it uses less digits than its factorization.

404464970832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63637 (or 63631 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 51.

The spelling of 404464970832 in words is "four hundred four billion, four hundred sixty-four million, nine hundred seventy thousand, eight hundred thirty-two".