799913757440 has 288 divisors, whose sum is σ = 2238292828800. Its totient is φ = 273785143296.

The previous prime is 799913757407. The next prime is 799913757443. The reversal of 799913757440 is 44757319997.

It is not an unprimeable number, because it can be changed into a prime (799913757443) 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, 339376742 + ... + 339379098.

It is an arithmetic number, because the mean of its divisors is an integer number (7771850100).

Almost surely, 2^799913757440 is an apocalyptic number.

799913757440 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 799913757440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119146414400).

799913757440 is an abundant number, since it is smaller than the sum of its proper divisors (1438379071360).

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

799913757440 is an equidigital number, since it uses as much as digits as its factorization.

799913757440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172 (or 3144 counting only the distinct ones).

The product of its (nonzero) digits is 60011280, while the sum is 65.

The spelling of 799913757440 in words is "seven hundred ninety-nine billion, nine hundred thirteen million, seven hundred fifty-seven thousand, four hundred forty".