404599389696 has 180 divisors, whose sum is σ = 1206597310776. Its totient is φ = 130514503680.

The previous prime is 404599389673. The next prime is 404599389703. The reversal of 404599389696 is 696983995404.

404599389696 is a `hidden beast` number, since 4 + 0 + 459 + 9 + 3 + 89 + 6 + 96 = 666.

It is a super-2 number, since 2×404599389696² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4382605 + ... + 4473971.

Almost surely, 2^404599389696 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 404599389696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603298655388).

404599389696 is an abundant number, since it is smaller than the sum of its proper divisors (801997921080).

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

404599389696 is an equidigital number, since it uses as much as digits as its factorization.

404599389696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91453 (or 91403 counting only the distinct ones).

The product of its (nonzero) digits is 453496320, while the sum is 72.

The spelling of 404599389696 in words is "four hundred four billion, five hundred ninety-nine million, three hundred eighty-nine thousand, six hundred ninety-six".