15728730144430 has 16 divisors (see below), whose sum is σ = 28592028264384. Its totient is φ = 6229200056800.

The previous prime is 15728730144389. The next prime is 15728730144443. The reversal of 15728730144430 is 3444103782751.

It is a congruent number.

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, 7786499062 + ... + 7786501081.

It is an arithmetic number, because the mean of its divisors is an integer number (1787001766524).

Almost surely, 2^{15728730144430} is an apocalyptic number.

15728730144430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15728730144430 is a deficient number, since it is larger than the sum of its proper divisors (12863298119954).

15728730144430 is a wasteful number, since it uses less digits than its factorization.

15728730144430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15573000251.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 15728730144430 in words is "fifteen trillion, seven hundred twenty-eight billion, seven hundred thirty million, one hundred forty-four thousand, four hundred thirty".