518252064 has 48 divisors (see below), whose sum is σ = 1484088480. Its totient is φ = 157045760.

The previous prime is 518252057. The next prime is 518252099. The reversal of 518252064 is 460252815.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 244329 + ... + 246440.

It is an arithmetic number, because the mean of its divisors is an integer number (30918510).

Almost surely, 2^518252064 is an apocalyptic number.

It is an amenable number.

518252064 is an abundant number, since it is smaller than the sum of its proper divisors (965836416).

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

518252064 is a wasteful number, since it uses less digits than its factorization.

518252064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490793 (or 490785 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 518252064 is about 22765.1502081581. The cubic root of 518252064 is about 803.2431182971.

The spelling of 518252064 in words is "five hundred eighteen million, two hundred fifty-two thousand, sixty-four".