9902044511884 has 24 divisors (see below), whose sum is σ = 19833515642528. Its totient is φ = 4237427658240.

The previous prime is 9902044511869. The next prime is 9902044511903. The reversal of 9902044511884 is 4881154402099.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262718487 + ... + 262756174.

Almost surely, 2^{9902044511884} is an apocalyptic number.

It is an amenable number.

9902044511884 is an abundant number, since it is smaller than the sum of its proper divisors (9931471130644).

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

9902044511884 is a wasteful number, since it uses less digits than its factorization.

9902044511884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525475345 (or 525475343 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 55.

The spelling of 9902044511884 in words is "nine trillion, nine hundred two billion, forty-four million, five hundred eleven thousand, eight hundred eighty-four".