5581880640 has 896 divisors, whose sum is σ = 24491289600. Its totient is φ = 1167851520.

The previous prime is 5581880639. The next prime is 5581880651. The reversal of 5581880640 is 460881855.

5581880640 = 202³ + 203³ + ... + 393³.

5581880640 is a `hidden beast` number, since 5 + 581 + 8 + 8 + 0 + 64 + 0 = 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 127 ways as a sum of consecutive naturals, for example, 62717716 + ... + 62717804.

Almost surely, 2^5581880640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5581880640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12245644800).

5581880640 is an abundant number, since it is smaller than the sum of its proper divisors (18909408960).

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

5581880640 is a wasteful number, since it uses less digits than its factorization.

5581880640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The square root of 5581880640 is about 74711.9845807886. The cubic root of 5581880640 is about 1773.8906659581.

The spelling of 5581880640 in words is "five billion, five hundred eighty-one million, eight hundred eighty thousand, six hundred forty".