515326448 has 80 divisors (see below), whose sum is σ = 1257586176. Its totient is φ = 199100160.

The previous prime is 515326447. The next prime is 515326451. The reversal of 515326448 is 844623515.

It is a super-2 number, since 2×515326448² = 531122696016593408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515326447) 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, 58493 + ... + 66723.

Almost surely, 2^515326448 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 515326448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628793088).

515326448 is an abundant number, since it is smaller than the sum of its proper divisors (742259728).

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

515326448 is a wasteful number, since it uses less digits than its factorization.

515326448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8302 (or 8296 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 515326448 is about 22700.8028051873. The cubic root of 515326448 is about 801.7287864308.

The spelling of 515326448 in words is "five hundred fifteen million, three hundred twenty-six thousand, four hundred forty-eight".