5408809920 has 84 divisors (see below), whose sum is σ = 18604062360. Its totient is φ = 1442348544.

The previous prime is 5408809859. The next prime is 5408809937. The reversal of 5408809920 is 299088045.

5408809920 is a `hidden beast` number, since 540 + 8 + 80 + 9 + 9 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 936150 + ... + 941909.

Almost surely, 2^5408809920 is an apocalyptic number.

It is an amenable number.

5408809920 is an abundant number, since it is smaller than the sum of its proper divisors (13195252440).

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

5408809920 is a wasteful number, since it uses less digits than its factorization.

5408809920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878082 (or 1878069 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 5408809920 is about 73544.6117672804. The cubic root of 5408809920 is about 1755.3642120380.

The spelling of 5408809920 in words is "five billion, four hundred eight million, eight hundred nine thousand, nine hundred twenty".