799993321221040 has 40 divisors (see below), whose sum is σ = 1861788530684448. Its totient is φ = 319686952773120.

The previous prime is 799993321220993. The next prime is 799993321221043. The reversal of 799993321221040 is 40122123399997.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 799993321221040.

It is not an unprimeable number, because it can be changed into a prime (799993321221043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4849537557 + ... + 4849702516.

Almost surely, 2^{799993321221040} is an apocalyptic number.

It is an amenable number.

799993321221040 is an abundant number, since it is smaller than the sum of its proper divisors (1061795209463408).

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

799993321221040 is a wasteful number, since it uses less digits than its factorization.

799993321221040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9699241117 (or 9699241111 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 61.

The spelling of 799993321221040 in words is "seven hundred ninety-nine trillion, nine hundred ninety-three billion, three hundred twenty-one million, two hundred twenty-one thousand, forty".