15172674990 has 32 divisors (see below), whose sum is σ = 39724822656. Its totient is φ = 3678224160.

The previous prime is 15172674973. The next prime is 15172674991. The reversal of 15172674990 is 9947627151.

15172674990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15172674991) 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, 22988572 + ... + 22989231.

It is an arithmetic number, because the mean of its divisors is an integer number (1241400708).

Almost surely, 2^15172674990 is an apocalyptic number.

15172674990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15172674990 is an abundant number, since it is smaller than the sum of its proper divisors (24552147666).

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

15172674990 is a wasteful number, since it uses less digits than its factorization.

15172674990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45977824.

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 15172674990 in words is "fifteen billion, one hundred seventy-two million, six hundred seventy-four thousand, nine hundred ninety".