7994056320 has 256 divisors, whose sum is σ = 28795824000. Its totient is φ = 2095349760.

The previous prime is 7994056313. The next prime is 7994056321. The reversal of 7994056320 is 236504997.

It is a happy number.

7994056320 is a `hidden beast` number, since 7 + 9 + 9 + 4 + 0 + 5 + 632 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (7994056321) 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, 1015600 + ... + 1023440.

Almost surely, 2^7994056320 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 7994056320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14397912000).

7994056320 is an abundant number, since it is smaller than the sum of its proper divisors (20801767680).

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

7994056320 is a wasteful number, since it uses less digits than its factorization.

7994056320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7928 (or 7910 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 7994056320 is about 89409.4867449758. The cubic root of 7994056320 is about 1999.5045706183.

The spelling of 7994056320 in words is "seven billion, nine hundred ninety-four million, fifty-six thousand, three hundred twenty".