15192640468 has 12 divisors (see below), whose sum is σ = 26593358400. Its totient is φ = 7594538072.

The previous prime is 15192640453. The next prime is 15192640481. The reversal of 15192640468 is 86404629151.

It is a happy number.

15192640468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15192640468² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 426268 + ... + 460531.

It is an arithmetic number, because the mean of its divisors is an integer number (2216113200).

Almost surely, 2^15192640468 is an apocalyptic number.

It is an amenable number.

15192640468 is a deficient number, since it is larger than the sum of its proper divisors (11400717932).

15192640468 is a wasteful number, since it uses less digits than its factorization.

15192640468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891086 (or 891084 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 15192640468 in words is "fifteen billion, one hundred ninety-two million, six hundred forty thousand, four hundred sixty-eight".