15229534464 has 135 divisors (see below), whose sum is σ = 45464767117. Its totient is φ = 5070587904.

The previous prime is 15229534459. The next prime is 15229534483. The reversal of 15229534464 is 46443592251.

The square root of 15229534464 is 123408.

It is a perfect power (a square), and thus also a powerful number.

15229534464 is a `hidden beast` number, since 1 + 52 + 2 + 9 + 534 + 4 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14113440000 + 1116094464 = 118800^2 + 33408^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 17770324 + ... + 17771180.

Almost surely, 2^15229534464 is an apocalyptic number.

15229534464 is the 123408-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15229534464

15229534464 is an abundant number, since it is smaller than the sum of its proper divisors (30235232653).

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

15229534464 is an frugal number, since it uses more digits than its factorization.

15229534464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 862 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 15229534464 in words is "fifteen billion, two hundred twenty-nine million, five hundred thirty-four thousand, four hundred sixty-four".