5118674640 has 80 divisors (see below), whose sum is σ = 15948586368. Its totient is φ = 1358038528.

The previous prime is 5118674621. The next prime is 5118674641. The reversal of 5118674640 is 464768115.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 5118674592 and 5118674601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5118674641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6852 + ... + 101411.

Almost surely, 2^5118674640 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 5118674640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7974293184).

5118674640 is an abundant number, since it is smaller than the sum of its proper divisors (10829911728).

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

5118674640 is a wasteful number, since it uses less digits than its factorization.

5118674640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108476 (or 108470 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 5118674640 is about 71544.9134460305. The cubic root of 5118674640 is about 1723.3990203599.

The spelling of 5118674640 in words is "five billion, one hundred eighteen million, six hundred seventy-four thousand, six hundred forty".