7056320400 has 120 divisors (see below), whose sum is σ = 25115312160. Its totient is φ = 1881682560.

The previous prime is 7056320393. The next prime is 7056320423. The reversal of 7056320400 is 40236507.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315882 + ... + 337481.

It is an arithmetic number, because the mean of its divisors is an integer number (209294268).

Almost surely, 2^7056320400 is an apocalyptic number.

It is an amenable number.

7056320400 is an abundant number, since it is smaller than the sum of its proper divisors (18058991760).

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

7056320400 is a wasteful number, since it uses less digits than its factorization.

7056320400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653390 (or 653373 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 7056320400 is about 84001.9071212077. The cubic root of 7056320400 is about 1918.0478204618.

Adding to 7056320400 its reverse (40236507), we get a palindrome (7096556907).

The spelling of 7056320400 in words is "seven billion, fifty-six million, three hundred twenty thousand, four hundred".