15304997442 has 32 divisors (see below), whose sum is σ = 34990134912. Its totient is φ = 4371945984.

The previous prime is 15304997381. The next prime is 15304997443. The reversal of 15304997442 is 24479940351.

15304997442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 15304997391 and 15304997400.

It is not an unprimeable number, because it can be changed into a prime (15304997443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181068 + ... + 251784.

It is an arithmetic number, because the mean of its divisors is an integer number (1093441716).

Almost surely, 2^15304997442 is an apocalyptic number.

15304997442 is an abundant number, since it is smaller than the sum of its proper divisors (19685137470).

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

15304997442 is a wasteful number, since it uses less digits than its factorization.

15304997442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75882.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 15304997442 in words is "fifteen billion, three hundred four million, nine hundred ninety-seven thousand, four hundred forty-two".