15842604451242 has 32 divisors (see below), whose sum is σ = 31765975001280. Its totient is φ = 5267423406080.

The previous prime is 15842604451189. The next prime is 15842604451313. The reversal of 15842604451242 is 24215440624851.

15842604451242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15842604451191 and 15842604451200.

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, 1862809 + ... + 5929187.

It is an arithmetic number, because the mean of its divisors is an integer number (992686718790).

Almost surely, 2^{15842604451242} is an apocalyptic number.

15842604451242 is an abundant number, since it is smaller than the sum of its proper divisors (15923370550038).

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

15842604451242 is a wasteful number, since it uses less digits than its factorization.

15842604451242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068038.

The product of its (nonzero) digits is 2457600, while the sum is 48.

The spelling of 15842604451242 in words is "fifteen trillion, eight hundred forty-two billion, six hundred four million, four hundred fifty-one thousand, two hundred forty-two".