315504450 has 96 divisors (see below), whose sum is σ = 878217600. Its totient is φ = 83280960.

The previous prime is 315504437. The next prime is 315504463. The reversal of 315504450 is 54405513.

It is an interprime number because it is at equal distance from previous prime (315504437) and next prime (315504463).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137916 + ... + 140184.

It is an arithmetic number, because the mean of its divisors is an integer number (9148100).

Almost surely, 2^315504450 is an apocalyptic number.

315504450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 315504450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439108800).

315504450 is an abundant number, since it is smaller than the sum of its proper divisors (562713150).

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

315504450 is a wasteful number, since it uses less digits than its factorization.

315504450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2382 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 315504450 is about 17762.4449330603. Note that the first 3 decimals coincide. The cubic root of 315504450 is about 680.7722268005.

Adding to 315504450 its reverse (54405513), we get a palindrome (369909963).

The spelling of 315504450 in words is "three hundred fifteen million, five hundred four thousand, four hundred fifty".