404897988352 has 288 divisors, whose sum is σ = 977266160640. Its totient is φ = 164978933760.

The previous prime is 404897988347. The next prime is 404897988373. The reversal of 404897988352 is 253889798404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239159218 + ... + 239160910.

It is an arithmetic number, because the mean of its divisors is an integer number (3393285280).

Almost surely, 2^404897988352 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 404897988352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488633080320).

404897988352 is an abundant number, since it is smaller than the sum of its proper divisors (572368172288).

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

404897988352 is a wasteful number, since it uses less digits than its factorization.

404897988352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919 (or 1905 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 67.

The spelling of 404897988352 in words is "four hundred four billion, eight hundred ninety-seven million, nine hundred eighty-eight thousand, three hundred fifty-two".