5909552640 has 200 divisors, whose sum is σ = 21166893000. Its totient is φ = 1575825408.

The previous prime is 5909552603. The next prime is 5909552657. The reversal of 5909552640 is 462559095.

It is a happy number.

5909552640 is a `hidden beast` number, since 5 + 90 + 9 + 552 + 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 an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 193111 + ... + 221609.

It is an arithmetic number, because the mean of its divisors is an integer number (105834465).

Almost surely, 2^5909552640 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 5909552640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10583446500).

5909552640 is an abundant number, since it is smaller than the sum of its proper divisors (15257340360).

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

5909552640 is an equidigital number, since it uses as much as digits as its factorization.

5909552640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28534 (or 28509 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The square root of 5909552640 is about 76873.6147192260. The cubic root of 5909552640 is about 1807.9435594671.

The spelling of 5909552640 in words is "five billion, nine hundred nine million, five hundred fifty-two thousand, six hundred forty".