6256396720 has 40 divisors (see below), whose sum is σ = 16624141344. Its totient is φ = 2145050112.

The previous prime is 6256396687. The next prime is 6256396753. The reversal of 6256396720 is 276936526.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6256396687) and next prime (6256396753).

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5585509 + ... + 5586628.

Almost surely, 2^6256396720 is an apocalyptic number.

It is an amenable number.

6256396720 is an abundant number, since it is smaller than the sum of its proper divisors (10367744624).

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

6256396720 is a wasteful number, since it uses less digits than its factorization.

6256396720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11172157 (or 11172151 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 46.

The square root of 6256396720 is about 79097.3875674791. The cubic root of 6256396720 is about 1842.6439541974.

The spelling of 6256396720 in words is "six billion, two hundred fifty-six million, three hundred ninety-six thousand, seven hundred twenty".