5313346640 has 40 divisors (see below), whose sum is σ = 14118322560. Its totient is φ = 1821718656.

The previous prime is 5313346609. The next prime is 5313346673. The reversal of 5313346640 is 466433135.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 5313346640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4743500 + ... + 4744619.

It is an arithmetic number, because the mean of its divisors is an integer number (352958064).

Almost surely, 2^5313346640 is an apocalyptic number.

It is an amenable number.

5313346640 is an abundant number, since it is smaller than the sum of its proper divisors (8804975920).

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

5313346640 is a wasteful number, since it uses less digits than its factorization.

5313346640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9488139 (or 9488133 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 5313346640 is about 72892.7063566719. The cubic root of 5313346640 is about 1744.9756993685.

Adding to 5313346640 its reverse (466433135), we get a palindrome (5779779775).

The spelling of 5313346640 in words is "five billion, three hundred thirteen million, three hundred forty-six thousand, six hundred forty".