5408891904990 has 128 divisors (see below), whose sum is σ = 14859373224960. Its totient is φ = 1234356645888.

The previous prime is 5408891904989. The next prime is 5408891905031. The reversal of 5408891904990 is 994091988045.

It is a super-2 number, since 2×5408891904990² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 457870324 + ... + 457882136.

It is an arithmetic number, because the mean of its divisors is an integer number (116088853320).

Almost surely, 2^{5408891904990} is an apocalyptic number.

5408891904990 is an abundant number, since it is smaller than the sum of its proper divisors (9450481319970).

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

5408891904990 is a wasteful number, since it uses less digits than its factorization.

5408891904990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15106.

The product of its (nonzero) digits is 33592320, while the sum is 66.

The spelling of 5408891904990 in words is "five trillion, four hundred eight billion, eight hundred ninety-one million, nine hundred four thousand, nine hundred ninety".