10307929840 has 40 divisors (see below), whose sum is σ = 25809473088. Its totient is φ = 3806004480.

The previous prime is 10307929831. The next prime is 10307929847. The reversal of 10307929840 is 4892970301.

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

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10307929847) 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, 4954696 + ... + 4956775.

Almost surely, 2^10307929840 is an apocalyptic number.

10307929840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10307929840 is an abundant number, since it is smaller than the sum of its proper divisors (15501543248).

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

10307929840 is a wasteful number, since it uses less digits than its factorization.

10307929840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9911497 (or 9911491 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 10307929840 in words is "ten billion, three hundred seven million, nine hundred twenty-nine thousand, eight hundred forty".