15730453530 has 160 divisors (see below), whose sum is σ = 47014691328. Its totient is φ = 3741379200.

The previous prime is 15730453517. The next prime is 15730453537. The reversal of 15730453530 is 3535403751.

15730453530 is a `hidden beast` number, since 1 + 5 + 73 + 0 + 4 + 53 + 530 = 666.

It is not an unprimeable number, because it can be changed into a prime (15730453537) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 455575 + ... + 488885.

Almost surely, 2^15730453530 is an apocalyptic number.

15730453530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15730453530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23507345664).

15730453530 is an abundant number, since it is smaller than the sum of its proper divisors (31284237798).

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

15730453530 is a wasteful number, since it uses less digits than its factorization.

15730453530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33394 (or 33385 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 36.

The spelling of 15730453530 in words is "fifteen billion, seven hundred thirty million, four hundred fifty-three thousand, five hundred thirty".