799910400 has 240 divisors, whose sum is σ = 2718692064. Its totient is φ = 207175680.

The previous prime is 799910383. The next prime is 799910413. The reversal of 799910400 is 4019997.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1420519 + ... + 1421081.

Almost surely, 2^799910400 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 799910400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1359346032).

799910400 is an abundant number, since it is smaller than the sum of its proper divisors (1918781664).

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

799910400 is a wasteful number, since it uses less digits than its factorization.

799910400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 799910400 is about 28282.6872839198. The cubic root of 799910400 is about 928.2831082320.

The spelling of 799910400 in words is "seven hundred ninety-nine million, nine hundred ten thousand, four hundred".