15742668324 has 12 divisors (see below), whose sum is σ = 36732892784. Its totient is φ = 5247556104.

The previous prime is 15742668323. The next prime is 15742668401. The reversal of 15742668324 is 42386624751.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (15742668323) 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, 655944502 + ... + 655944525.

Almost surely, 2^15742668324 is an apocalyptic number.

It is an amenable number.

15742668324 is an abundant number, since it is smaller than the sum of its proper divisors (20990224460).

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

15742668324 is a wasteful number, since it uses less digits than its factorization.

15742668324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311889034 (or 1311889032 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The spelling of 15742668324 in words is "fifteen billion, seven hundred forty-two million, six hundred sixty-eight thousand, three hundred twenty-four".