404528089616 has 40 divisors (see below), whose sum is σ = 895839281664. Its totient is φ = 173350114560.

The previous prime is 404528089597. The next prime is 404528089639. The reversal of 404528089616 is 616980825404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848876 + ... + 1236788.

Almost surely, 2^404528089616 is an apocalyptic number.

It is an amenable number.

404528089616 is an abundant number, since it is smaller than the sum of its proper divisors (491311192048).

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

404528089616 is a wasteful number, since it uses less digits than its factorization.

404528089616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397239 (or 397233 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 404528089616 in words is "four hundred four billion, five hundred twenty-eight million, eighty-nine thousand, six hundred sixteen".