9090804881040 has 40 divisors (see below), whose sum is σ = 28181495131968. Its totient is φ = 2424214634880.

The previous prime is 9090804881023. The next prime is 9090804881167. The reversal of 9090804881040 is 401884080909.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18939176596 + ... + 18939177075.

Almost surely, 2^{9090804881040} is an apocalyptic number.

It is an amenable number.

9090804881040 is an abundant number, since it is smaller than the sum of its proper divisors (19090690250928).

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

9090804881040 is a wasteful number, since it uses less digits than its factorization.

9090804881040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37878353687 (or 37878353681 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 9090804881040 in words is "nine trillion, ninety billion, eight hundred four million, eight hundred eighty-one thousand, forty".