10439591680 has 144 divisors (see below), whose sum is σ = 29564579520. Its totient is φ = 3455778816.

The previous prime is 10439591633. The next prime is 10439591707. The reversal of 10439591680 is 8619593401.

It is a self number, because there is not a number n which added to its sum of digits gives 10439591680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239752 + ... + 279928.

It is an arithmetic number, because the mean of its divisors is an integer number (205309580).

Almost surely, 2^10439591680 is an apocalyptic number.

10439591680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10439591680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14782289760).

10439591680 is an abundant number, since it is smaller than the sum of its proper divisors (19124987840).

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

10439591680 is an equidigital number, since it uses as much as digits as its factorization.

10439591680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40234 (or 40220 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 10439591680 in words is "ten billion, four hundred thirty-nine million, five hundred ninety-one thousand, six hundred eighty".