799271018490 has 64 divisors (see below), whose sum is σ = 2307669719040. Its totient is φ = 173075227200.

The previous prime is 799271018489. The next prime is 799271018551. The reversal of 799271018490 is 94810172997.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 799271018490.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100155286 + ... + 100163265.

It is an arithmetic number, because the mean of its divisors is an integer number (36057339360).

Almost surely, 2^799271018490 is an apocalyptic number.

799271018490 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

799271018490 is an abundant number, since it is smaller than the sum of its proper divisors (1508398700550).

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

799271018490 is a wasteful number, since it uses less digits than its factorization.

799271018490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200318587.

The product of its (nonzero) digits is 2286144, while the sum is 57.

The spelling of 799271018490 in words is "seven hundred ninety-nine billion, two hundred seventy-one million, eighteen thousand, four hundred ninety".