10247639808 has 72 divisors (see below), whose sum is σ = 31169920768. Its totient is φ = 2927895552.

The previous prime is 10247639767. The next prime is 10247639813. The reversal of 10247639808 is 80893674201.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947716 + ... + 958467.

Almost surely, 2^10247639808 is an apocalyptic number.

It is an amenable number.

10247639808 is an abundant number, since it is smaller than the sum of its proper divisors (20922280960).

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

10247639808 is an equidigital number, since it uses as much as digits as its factorization.

10247639808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906209 (or 1906195 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 10247639808 in words is "ten billion, two hundred forty-seven million, six hundred thirty-nine thousand, eight hundred eight".