13388707242 has 80 divisors (see below), whose sum is σ = 31061184000. Its totient is φ = 4305998880.

The previous prime is 13388707223. The next prime is 13388707259. The reversal of 13388707242 is 24270788331.

13388707242 is a `hidden beast` number, since 1 + 338 + 8 + 70 + 7 + 242 = 666.

It is a super-2 number, since 2×13388707242² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1748859 + ... + 1756497.

It is an arithmetic number, because the mean of its divisors is an integer number (388264800).

Almost surely, 2^13388707242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13388707242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15530592000).

13388707242 is an abundant number, since it is smaller than the sum of its proper divisors (17672476758).

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

13388707242 is a wasteful number, since it uses less digits than its factorization.

13388707242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8033 (or 8024 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 13388707242 in words is "thirteen billion, three hundred eighty-eight million, seven hundred seven thousand, two hundred forty-two".