15730346680 has 32 divisors (see below), whose sum is σ = 35396915040. Its totient is φ = 6291492480.

The previous prime is 15730346659. The next prime is 15730346683. The reversal of 15730346680 is 8664303751.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15730346683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643237 + ... + 667243.

It is an arithmetic number, because the mean of its divisors is an integer number (1106153595).

Almost surely, 2^15730346680 is an apocalyptic number.

15730346680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15730346680 is an abundant number, since it is smaller than the sum of its proper divisors (19666568360).

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

15730346680 is a wasteful number, since it uses less digits than its factorization.

15730346680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40399 (or 40395 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 15730346680 in words is "fifteen billion, seven hundred thirty million, three hundred forty-six thousand, six hundred eighty".