13155352354440 has 96 divisors (see below), whose sum is σ = 42762300235200. Its totient is φ = 3507486364800.

The previous prime is 13155352354439. The next prime is 13155352354481. The reversal of 13155352354440 is 4445325355131.

13155352354440 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 53 + 52 + 3 + 544 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1081236 + ... + 5242115.

It is an arithmetic number, because the mean of its divisors is an integer number (445440627450).

Almost surely, 2^{13155352354440} is an apocalyptic number.

13155352354440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13155352354440 is an abundant number, since it is smaller than the sum of its proper divisors (29606947880760).

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

13155352354440 is a wasteful number, since it uses less digits than its factorization.

13155352354440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329147 (or 6329140 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

The spelling of 13155352354440 in words is "thirteen trillion, one hundred fifty-five billion, three hundred fifty-two million, three hundred fifty-four thousand, four hundred forty".