4490090911902 has 16 divisors (see below), whose sum is σ = 9017443991952. Its totient is φ = 1490486609280.

The previous prime is 4490090911841. The next prime is 4490090911937. The reversal of 4490090911902 is 2091190900944.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1552588773 + ... + 1552591664.

It is an arithmetic number, because the mean of its divisors is an integer number (563590249497).

Almost surely, 2^{4490090911902} is an apocalyptic number.

4490090911902 is an abundant number, since it is smaller than the sum of its proper divisors (4527353080050).

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

4490090911902 is a wasteful number, since it uses less digits than its factorization.

4490090911902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105180683.

The product of its (nonzero) digits is 209952, while the sum is 48.

The spelling of 4490090911902 in words is "four trillion, four hundred ninety billion, ninety million, nine hundred eleven thousand, nine hundred two".