6320000440 has 32 divisors (see below), whose sum is σ = 15313848480. Its totient is φ = 2333538432.

The previous prime is 6320000429. The next prime is 6320000443. The reversal of 6320000440 is 440000236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6320000443) 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, 6076404 + ... + 6077443.

It is an arithmetic number, because the mean of its divisors is an integer number (478557765).

Almost surely, 2^6320000440 is an apocalyptic number.

It is an amenable number.

6320000440 is an abundant number, since it is smaller than the sum of its proper divisors (8993848040).

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

6320000440 is a wasteful number, since it uses less digits than its factorization.

6320000440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12153871 (or 12153867 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 6320000440 is about 79498.4304247574. The cubic root of 6320000440 is about 1848.8671359815.

Adding to 6320000440 its reverse (440000236), we get a palindrome (6760000676).

The spelling of 6320000440 in words is "six billion, three hundred twenty million, four hundred forty", and thus it is an aban number.