13022544544 has 48 divisors (see below), whose sum is σ = 27489974400. Its totient is φ = 6050663424.

The previous prime is 13022544529. The next prime is 13022544551. The reversal of 13022544544 is 44544522031.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108534 + ... + 194485.

It is an arithmetic number, because the mean of its divisors is an integer number (572707800).

Almost surely, 2^13022544544 is an apocalyptic number.

It is an amenable number.

13022544544 is an abundant number, since it is smaller than the sum of its proper divisors (14467429856).

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

13022544544 is a wasteful number, since it uses less digits than its factorization.

13022544544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303125 (or 303117 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The spelling of 13022544544 in words is "thirteen billion, twenty-two million, five hundred forty-four thousand, five hundred forty-four".