515452416 has 80 divisors (see below), whose sum is σ = 1392311184. Its totient is φ = 169426944.

The previous prime is 515452397. The next prime is 515452433. The reversal of 515452416 is 614254515.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109830 + ... + 114426.

Almost surely, 2^515452416 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 515452416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696155592).

515452416 is an abundant number, since it is smaller than the sum of its proper divisors (876858768).

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

515452416 is an equidigital number, since it uses as much as digits as its factorization.

515452416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691 (or 4675 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 515452416 is about 22703.5771630816. The cubic root of 515452416 is about 801.7941068016.

The spelling of 515452416 in words is "five hundred fifteen million, four hundred fifty-two thousand, four hundred sixteen".