979229440 has 144 divisors (see below), whose sum is σ = 2697000768. Its totient is φ = 333692928.

The previous prime is 979229437. The next prime is 979229477. The reversal of 979229440 is 44922979.

979229440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2625094 + ... + 2625466.

It is an arithmetic number, because the mean of its divisors is an integer number (18729172).

Almost surely, 2^979229440 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 979229440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1348500384).

979229440 is an abundant number, since it is smaller than the sum of its proper divisors (1717771328).

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

979229440 is a wasteful number, since it uses less digits than its factorization.

979229440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 979229440 is about 31292.6419466302. The cubic root of 979229440 is about 993.0279839599.

The spelling of 979229440 in words is "nine hundred seventy-nine million, two hundred twenty-nine thousand, four hundred forty".