10639040880 has 160 divisors (see below), whose sum is σ = 37387607040. Its totient is φ = 2480993280.

The previous prime is 10639040879. The next prime is 10639040897. The reversal of 10639040880 is 8804093601.

It is a super-2 number, since 2×10639040880² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30456 + ... + 149015.

It is an arithmetic number, because the mean of its divisors is an integer number (233672544).

Almost surely, 2^10639040880 is an apocalyptic number.

10639040880 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 10639040880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18693803520).

10639040880 is an abundant number, since it is smaller than the sum of its proper divisors (26748566160).

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

10639040880 is a wasteful number, since it uses less digits than its factorization.

10639040880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179519 (or 179513 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 10639040880 in words is "ten billion, six hundred thirty-nine million, forty thousand, eight hundred eighty".