2315445412 has 72 divisors (see below), whose sum is σ = 5067619200. Its totient is φ = 920033856.

The previous prime is 2315445403. The next prime is 2315445413. The reversal of 2315445412 is 2145445132.

It is a super-2 number, since 2×2315445412² = 10722574911903699488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2315445413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168414 + ... + 181642.

It is an arithmetic number, because the mean of its divisors is an integer number (70383600).

Almost surely, 2^2315445412 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 2315445412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2533809600).

2315445412 is an abundant number, since it is smaller than the sum of its proper divisors (2752173788).

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

2315445412 is a wasteful number, since it uses less digits than its factorization.

2315445412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13313 (or 13304 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 2315445412 is about 48119.0753443995. The cubic root of 2315445412 is about 1322.9543203436.

The spelling of 2315445412 in words is "two billion, three hundred fifteen million, four hundred forty-five thousand, four hundred twelve".