5146579980 has 72 divisors (see below), whose sum is σ = 15658637904. Its totient is φ = 1368259200.

The previous prime is 5146579957. The next prime is 5146579993. The reversal of 5146579980 is 899756415.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16390 + ... + 102770.

It is an arithmetic number, because the mean of its divisors is an integer number (217481082).

Almost surely, 2^5146579980 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 5146579980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7829318952).

5146579980 is an abundant number, since it is smaller than the sum of its proper divisors (10512057924).

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

5146579980 is a wasteful number, since it uses less digits than its factorization.

5146579980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86727 (or 86722 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The square root of 5146579980 is about 71739.6681062855. The cubic root of 5146579980 is about 1726.5251489454.

The spelling of 5146579980 in words is "five billion, one hundred forty-six million, five hundred seventy-nine thousand, nine hundred eighty".