10007856840 has 32 divisors (see below), whose sum is σ = 30023570880. Its totient is φ = 2668761792.

The previous prime is 10007856823. The next prime is 10007856841. The reversal of 10007856840 is 4865870001.

It is not an unprimeable number, because it can be changed into a prime (10007856841) 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, 41699284 + ... + 41699523.

It is an arithmetic number, because the mean of its divisors is an integer number (938236590).

Almost surely, 2^10007856840 is an apocalyptic number.

10007856840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10007856840 is an abundant number, since it is smaller than the sum of its proper divisors (20015714040).

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

10007856840 is a wasteful number, since it uses less digits than its factorization.

10007856840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83398821 (or 83398817 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 10007856840 in words is "ten billion, seven million, eight hundred fifty-six thousand, eight hundred forty".