15242342404 has 12 divisors (see below), whose sum is σ = 26675418700. Its totient is φ = 7620794208.

The previous prime is 15242342399. The next prime is 15242342407. The reversal of 15242342404 is 40424324251.

It can be written as a sum of positive squares in 2 ways, for example, as 14340541504 + 901800900 = 119752^2 + 30030^2 .

It is not an unprimeable number, because it can be changed into a prime (15242342407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9382 + ... + 174850.

Almost surely, 2^15242342404 is an apocalyptic number.

It is an amenable number.

15242342404 is a deficient number, since it is larger than the sum of its proper divisors (11433076296).

15242342404 is a wasteful number, since it uses less digits than its factorization.

15242342404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188502 (or 188500 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 15242342404 its reverse (40424324251), we get a palindrome (55666666655).

The spelling of 15242342404 in words is "fifteen billion, two hundred forty-two million, three hundred forty-two thousand, four hundred four".