90004424828 has 12 divisors (see below), whose sum is σ = 157521660240. Its totient is φ = 44998236192.

The previous prime is 90004424821. The next prime is 90004424831. The reversal of 90004424828 is 82842440009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90004424821) by changing a digit.

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, 942833 + ... + 1033896.

It is an arithmetic number, because the mean of its divisors is an integer number (13126805020).

Almost surely, 2^90004424828 is an apocalyptic number.

It is an amenable number.

90004424828 is a deficient number, since it is larger than the sum of its proper divisors (67517235412).

90004424828 is a wasteful number, since it uses less digits than its factorization.

90004424828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988116 (or 1988114 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 90004424828 in words is "ninety billion, four million, four hundred twenty-four thousand, eight hundred twenty-eight".