515452064 has 48 divisors (see below), whose sum is σ = 1070909280. Its totient is φ = 243544320.

The previous prime is 515452037. The next prime is 515452073. The reversal of 515452064 is 460254515.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 515452064.

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, 317174 + ... + 318794.

It is an arithmetic number, because the mean of its divisors is an integer number (22310610).

Almost surely, 2^515452064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 515452064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535454640).

515452064 is an abundant number, since it is smaller than the sum of its proper divisors (555457216).

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

515452064 is a wasteful number, since it uses less digits than its factorization.

515452064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173 (or 2165 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 515452064 is about 22703.5694109979. The cubic root of 515452064 is about 801.7939242877.

The spelling of 515452064 in words is "five hundred fifteen million, four hundred fifty-two thousand, sixty-four".