799986240 has 224 divisors, whose sum is σ = 2877068160. Its totient is φ = 209184768.

The previous prime is 799986227. The next prime is 799986247. The reversal of 799986240 is 42689997.

799986240 is a `hidden beast` number, since 7 + 9 + 9 + 9 + 8 + 624 + 0 = 666.

799986240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (799986247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 457047 + ... + 458793.

Almost surely, 2^799986240 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 799986240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1438534080).

799986240 is an abundant number, since it is smaller than the sum of its proper divisors (2077081920).

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

799986240 is a wasteful number, since it uses less digits than its factorization.

799986240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826 (or 1810 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 799986240 is about 28284.0280016832. The cubic root of 799986240 is about 928.3124443368.

The spelling of 799986240 in words is "seven hundred ninety-nine million, nine hundred eighty-six thousand, two hundred forty".