2315533540 has 24 divisors (see below), whose sum is σ = 4864224960. Its totient is φ = 925907808.

The previous prime is 2315533523. The next prime is 2315533621. The reversal of 2315533540 is 453355132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48939 + ... + 83821.

It is an arithmetic number, because the mean of its divisors is an integer number (202676040).

Almost surely, 2^2315533540 is an apocalyptic number.

2315533540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315533540 is an abundant number, since it is smaller than the sum of its proper divisors (2548691420).

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

2315533540 is a wasteful number, since it uses less digits than its factorization.

2315533540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38211 (or 38209 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 2315533540 is about 48119.9910640058. The cubic root of 2315533540 is about 1322.9711044202.

Adding to 2315533540 its reverse (453355132), we get a palindrome (2768888672).

The spelling of 2315533540 in words is "two billion, three hundred fifteen million, five hundred thirty-three thousand, five hundred forty".