13022753840 has 80 divisors (see below), whose sum is σ = 31125888768. Its totient is φ = 5063482368.

The previous prime is 13022753813. The next prime is 13022753911. The reversal of 13022753840 is 4835722031.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 13022753840.

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, 6075809 + ... + 6077951.

Almost surely, 2^13022753840 is an apocalyptic number.

13022753840 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 13022753840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15562944384).

13022753840 is an abundant number, since it is smaller than the sum of its proper divisors (18103134928).

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

13022753840 is a wasteful number, since it uses less digits than its factorization.

13022753840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246 (or 4240 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 13022753840 in words is "thirteen billion, twenty-two million, seven hundred fifty-three thousand, eight hundred forty".