515970240 has 112 divisors (see below), whose sum is σ = 1678289760. Its totient is φ = 134225920.

The previous prime is 515970229. The next prime is 515970241. The reversal of 515970240 is 42079515.

It is not an unprimeable number, because it can be changed into a prime (515970241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32806 + ... + 45914.

It is an arithmetic number, because the mean of its divisors is an integer number (14984730).

Almost surely, 2^515970240 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 515970240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839144880).

515970240 is an abundant number, since it is smaller than the sum of its proper divisors (1162319520).

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

515970240 is a wasteful number, since it uses less digits than its factorization.

515970240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13170 (or 13160 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 515970240 is about 22714.9783182815. The cubic root of 515970240 is about 802.0625113224.

The spelling of 515970240 in words is "five hundred fifteen million, nine hundred seventy thousand, two hundred forty".