7981080492 has 192 divisors, whose sum is σ = 24598425600. Its totient is φ = 1951153920.

The previous prime is 7981080487. The next prime is 7981080529. The reversal of 7981080492 is 2940801897.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2860234 + ... + 2863022.

It is an arithmetic number, because the mean of its divisors is an integer number (128116800).

Almost surely, 2^7981080492 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 7981080492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12299212800).

7981080492 is an abundant number, since it is smaller than the sum of its proper divisors (16617345108).

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

7981080492 is a wasteful number, since it uses less digits than its factorization.

7981080492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2996 (or 2994 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 7981080492 is about 89336.8932300648. The cubic root of 7981080492 is about 1998.4221298236.

The spelling of 7981080492 in words is "seven billion, nine hundred eighty-one million, eighty thousand, four hundred ninety-two".