2315451040 has 96 divisors (see below), whose sum is σ = 6262268544. Its totient is φ = 792529920.

The previous prime is 2315451037. The next prime is 2315451059. The reversal of 2315451040 is 401545132.

It is a happy number.

It is a super-2 number, since 2×2315451040² = 10722627037274163200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2315450996 and 2315451014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846475 + ... + 849205.

It is an arithmetic number, because the mean of its divisors is an integer number (65231964).

Almost surely, 2^2315451040 is an apocalyptic number.

2315451040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2315451040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3131134272).

2315451040 is an abundant number, since it is smaller than the sum of its proper divisors (3946817504).

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

2315451040 is a wasteful number, since it uses less digits than its factorization.

2315451040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510 (or 3502 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2315451040 is about 48119.1338242907. The cubic root of 2315451040 is about 1322.9553922153.

Adding to 2315451040 its reverse (401545132), we get a palindrome (2716996172).

The spelling of 2315451040 in words is "two billion, three hundred fifteen million, four hundred fifty-one thousand, forty".