515995488 has 96 divisors (see below), whose sum is σ = 1545757920. Its totient is φ = 167339520.

The previous prime is 515995481. The next prime is 515995489. The reversal of 515995488 is 884599515.

515995488 is a `hidden beast` number, since 5 + 1 + 5 + 99 + 548 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515995481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23898 + ... + 40038.

It is an arithmetic number, because the mean of its divisors is an integer number (16101645).

Almost surely, 2^515995488 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 515995488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (772878960).

515995488 is an abundant number, since it is smaller than the sum of its proper divisors (1029762432).

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

515995488 is a wasteful number, since it uses less digits than its factorization.

515995488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16197 (or 16183 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 54.

The square root of 515995488 is about 22715.5340681218. The cubic root of 515995488 is about 802.0755935653.

The spelling of 515995488 in words is "five hundred fifteen million, nine hundred ninety-five thousand, four hundred eighty-eight".