4161979460 has 48 divisors (see below), whose sum is σ = 8981280000. Its totient is φ = 1619192064.

The previous prime is 4161979453. The next prime is 4161979483. The reversal of 4161979460 is 649791614.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195416 + ... + 215664.

It is an arithmetic number, because the mean of its divisors is an integer number (187110000).

Almost surely, 2^4161979460 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 4161979460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4490640000).

4161979460 is an abundant number, since it is smaller than the sum of its proper divisors (4819300540).

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

4161979460 is a wasteful number, since it uses less digits than its factorization.

4161979460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20540 (or 20538 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 4161979460 is about 64513.4052736329. The cubic root of 4161979460 is about 1608.5453548389.

The spelling of 4161979460 in words is "four billion, one hundred sixty-one million, nine hundred seventy-nine thousand, four hundred sixty".