6370399056 has 160 divisors (see below), whose sum is σ = 20027289600. Its totient is φ = 1740875136.

The previous prime is 6370399043. The next prime is 6370399109. The reversal of 6370399056 is 6509930736.

It is a happy number.

It is a super-2 number, since 2×6370399056² = 81163968265371382272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 6370398996 and 6370399014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370261 + ... + 387083.

It is an arithmetic number, because the mean of its divisors is an integer number (125170560).

Almost surely, 2^6370399056 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 6370399056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10013644800).

6370399056 is an abundant number, since it is smaller than the sum of its proper divisors (13656890544).

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

6370399056 is a wasteful number, since it uses less digits than its factorization.

6370399056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16878 (or 16858 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 48.

The square root of 6370399056 is about 79814.7796839658. The cubic root of 6370399056 is about 1853.7687046578.

The spelling of 6370399056 in words is "six billion, three hundred seventy million, three hundred ninety-nine thousand, fifty-six".