5587631640 has 128 divisors (see below), whose sum is σ = 18644472000. Its totient is φ = 1488513024.

The previous prime is 5587631561. The next prime is 5587631641. The reversal of 5587631640 is 461367855.

5587631640 is a `hidden beast` number, since 5 + 5 + 8 + 7 + 631 + 6 + 4 + 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 not an unprimeable number, because it can be changed into a prime (5587631641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1398766 + ... + 1402754.

Almost surely, 2^5587631640 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 5587631640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9322236000).

5587631640 is an abundant number, since it is smaller than the sum of its proper divisors (13056840360).

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

5587631640 is a wasteful number, since it uses less digits than its factorization.

5587631640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306 (or 5296 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 5587631640 is about 74750.4624734857. The cubic root of 5587631640 is about 1774.4996688076.

The spelling of 5587631640 in words is "five billion, five hundred eighty-seven million, six hundred thirty-one thousand, six hundred forty".