5164799640 has 1024 divisors, whose sum is σ = 22914662400. Its totient is φ = 895795200.

The previous prime is 5164799639. The next prime is 5164799663. The reversal of 5164799640 is 469974615.

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 255 ways as a sum of consecutive naturals, for example, 70750644 + ... + 70750716.

It is an arithmetic number, because the mean of its divisors is an integer number (22377600).

Almost surely, 2^5164799640 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 5164799640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11457331200).

5164799640 is an abundant number, since it is smaller than the sum of its proper divisors (17749862760).

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

5164799640 is a wasteful number, since it uses less digits than its factorization.

5164799640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 5164799640 is about 71866.5404760797. The cubic root of 5164799640 is about 1728.5601348767.

The spelling of 5164799640 in words is "five billion, one hundred sixty-four million, seven hundred ninety-nine thousand, six hundred forty".