12800572840 has 128 divisors (see below), whose sum is σ = 33197040000. Its totient is φ = 4393267200.

The previous prime is 12800572831. The next prime is 12800572847. The reversal of 12800572840 is 4827500821.

It is a self number, because there is not a number n which added to its sum of digits gives 12800572840.

It is not an unprimeable number, because it can be changed into a prime (12800572847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2346436 + ... + 2351884.

It is an arithmetic number, because the mean of its divisors is an integer number (259351875).

Almost surely, 2^12800572840 is an apocalyptic number.

12800572840 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 12800572840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16598520000).

12800572840 is an abundant number, since it is smaller than the sum of its proper divisors (20396467160).

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

12800572840 is a wasteful number, since it uses less digits than its factorization.

12800572840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5771 (or 5767 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The spelling of 12800572840 in words is "twelve billion, eight hundred million, five hundred seventy-two thousand, eight hundred forty".