15242231404 has 24 divisors (see below), whose sum is σ = 27559927808. Its totient is φ = 7368423120.

The previous prime is 15242231393. The next prime is 15242231413. The reversal of 15242231404 is 40413224251.

It is a super-2 number, since 2×15242231404² (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 7 ways as a sum of consecutive naturals, for example, 78247 + ... + 191329.

Almost surely, 2^15242231404 is an apocalyptic number.

It is an amenable number.

15242231404 is a deficient number, since it is larger than the sum of its proper divisors (12317696404).

15242231404 is a wasteful number, since it uses less digits than its factorization.

15242231404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114205 (or 114203 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 15242231404 its reverse (40413224251), we get a palindrome (55655455655).

The spelling of 15242231404 in words is "fifteen billion, two hundred forty-two million, two hundred thirty-one thousand, four hundred four".