404285386990688 has 96 divisors (see below), whose sum is σ = 941229997162560. Its totient is φ = 167251232655360.

The previous prime is 404285386990621. The next prime is 404285386990697. The reversal of 404285386990688 is 886099683582404.

It is a congruent number.

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, 20376470 + ... + 34982442.

It is an arithmetic number, because the mean of its divisors is an integer number (9804479137110).

Almost surely, 2^{404285386990688} 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 404285386990688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470614998581280).

404285386990688 is an abundant number, since it is smaller than the sum of its proper divisors (536944610171872).

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

404285386990688 is a wasteful number, since it uses less digits than its factorization.

404285386990688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14610280 (or 14610272 counting only the distinct ones).

The product of its (nonzero) digits is 5733089280, while the sum is 80.

The spelling of 404285386990688 in words is "four hundred four trillion, two hundred eighty-five billion, three hundred eighty-six million, nine hundred ninety thousand, six hundred eighty-eight".