90004426628 has 12 divisors (see below), whose sum is σ = 157516230480. Its totient is φ = 44999789352.

The previous prime is 90004426619. The next prime is 90004426657. The reversal of 90004426628 is 82662440009.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521126 + ... + 671997.

It is an arithmetic number, because the mean of its divisors is an integer number (13126352540).

Almost surely, 2^90004426628 is an apocalyptic number.

It is an amenable number.

90004426628 is a deficient number, since it is larger than the sum of its proper divisors (67511803852).

90004426628 is a wasteful number, since it uses less digits than its factorization.

90004426628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211986 (or 1211984 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 90004426628 in words is "ninety billion, four million, four hundred twenty-six thousand, six hundred twenty-eight".