13040375557020 has 96 divisors (see below), whose sum is σ = 41796616512000. Its totient is φ = 2975841932544.

The previous prime is 13040375557003. The next prime is 13040375557073. The reversal of 13040375557020 is 2075557304031.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 24819595 + ... + 25339554.

It is an arithmetic number, because the mean of its divisors is an integer number (435381422000).

Almost surely, 2^{13040375557020} is an apocalyptic number.

13040375557020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13040375557020 is an abundant number, since it is smaller than the sum of its proper divisors (28756240954980).

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

13040375557020 is a wasteful number, since it uses less digits than its factorization.

13040375557020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50159787 (or 50159785 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 42.

The spelling of 13040375557020 in words is "thirteen trillion, forty billion, three hundred seventy-five million, five hundred fifty-seven thousand, twenty".