7722999046400 has 648 divisors, whose sum is σ = 21803400326400. Its totient is φ = 2704306176000.

The previous prime is 7722999046391. The next prime is 7722999046459. The reversal of 7722999046400 is 46409992277.

It is a self number, because there is not a number n which added to its sum of digits gives 7722999046400.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2508280061 + ... + 2508283139.

Almost surely, 2^{7722999046400} 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 7722999046400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10901700163200).

7722999046400 is an abundant number, since it is smaller than the sum of its proper divisors (14080401280000).

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

7722999046400 is a wasteful number, since it uses less digits than its factorization.

7722999046400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247 (or 3217 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 59.

The spelling of 7722999046400 in words is "seven trillion, seven hundred twenty-two billion, nine hundred ninety-nine million, forty-six thousand, four hundred".