799365840 has 320 divisors, whose sum is σ = 3230793216. Its totient is φ = 158662656.

The previous prime is 799365839. The next prime is 799365859. The reversal of 799365840 is 48563997.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

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, 370204 + ... + 372356.

Almost surely, 2^799365840 is an apocalyptic number.

799365840 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 799365840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615396608).

799365840 is an abundant number, since it is smaller than the sum of its proper divisors (2431427376).

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

799365840 is a wasteful number, since it uses less digits than its factorization.

799365840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206 (or 2200 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 799365840 is about 28273.0585540369. The cubic root of 799365840 is about 928.0724093816.

The spelling of 799365840 in words is "seven hundred ninety-nine million, three hundred sixty-five thousand, eight hundred forty".