2315500044 has 144 divisors (see below), whose sum is σ = 6434625120. Its totient is φ = 643737600.

The previous prime is 2315500021. The next prime is 2315500123. The reversal of 2315500044 is 4400055132.

It is a junction number, because it is equal to n+sod(n) for n = 2315499987 and 2315500023.

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, 4548862 + ... + 4549370.

Almost surely, 2^2315500044 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 2315500044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3217312560).

2315500044 is an abundant number, since it is smaller than the sum of its proper divisors (4119125076).

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

2315500044 is a wasteful number, since it uses less digits than its factorization.

2315500044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2315500044 is about 48119.6430161322. The cubic root of 2315500044 is about 1322.9647251196.

Adding to 2315500044 its reverse (4400055132), we get a palindrome (6715555176).

The spelling of 2315500044 in words is "two billion, three hundred fifteen million, five hundred thousand, forty-four".