6247042656 has 48 divisors (see below), whose sum is σ = 16963959600. Its totient is φ = 2010541568.

The previous prime is 6247042643. The next prime is 6247042679. The reversal of 6247042656 is 6562407426.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 1119171 + ... + 1124738.

It is an arithmetic number, because the mean of its divisors is an integer number (353415825).

Almost surely, 2^6247042656 is an apocalyptic number.

It is an amenable number.

6247042656 is an abundant number, since it is smaller than the sum of its proper divisors (10716916944).

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

6247042656 is a wasteful number, since it uses less digits than its factorization.

6247042656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243951 (or 2243943 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The square root of 6247042656 is about 79038.2354054036. The cubic root of 6247042656 is about 1841.7251715254.

The spelling of 6247042656 in words is "six billion, two hundred forty-seven million, forty-two thousand, six hundred fifty-six".