799909440 has 224 divisors, whose sum is σ = 2791480320. Its totient is φ = 192460800.

The previous prime is 799909351. The next prime is 799909469. The reversal of 799909440 is 44909997.

799909440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×799909440² = 1279710224402227200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2227981 + ... + 2228339.

Almost surely, 2^799909440 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 799909440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395740160).

799909440 is an abundant number, since it is smaller than the sum of its proper divisors (1991570880).

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

799909440 is a wasteful number, since it uses less digits than its factorization.

799909440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 799909440 is about 28282.6703124016. The cubic root of 799909440 is about 928.2827368770.

The spelling of 799909440 in words is "seven hundred ninety-nine million, nine hundred nine thousand, four hundred forty".