5405984880 has 80 divisors (see below), whose sum is σ = 17640597120. Its totient is φ = 1365721344.

The previous prime is 5405984873. The next prime is 5405984893. The reversal of 5405984880 is 884895045.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×5405984880² = 58449345045577228800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588202 + ... + 597321.

It is an arithmetic number, because the mean of its divisors is an integer number (220507464).

Almost surely, 2^5405984880 is an apocalyptic number.

It is an amenable number.

5405984880 is an abundant number, since it is smaller than the sum of its proper divisors (12234612240).

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

5405984880 is a wasteful number, since it uses less digits than its factorization.

5405984880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185558 (or 1185552 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 51.

The square root of 5405984880 is about 73525.4029570733. The cubic root of 5405984880 is about 1755.0585478962.

The spelling of 5405984880 in words is "five billion, four hundred five million, nine hundred eighty-four thousand, eight hundred eighty".