2301115540 has 24 divisors (see below), whose sum is σ = 4870397952. Its totient is φ = 913197600.

The previous prime is 2301115501. The next prime is 2301115547. The reversal of 2301115540 is 455111032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301115547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450436 + ... + 455515.

It is an arithmetic number, because the mean of its divisors is an integer number (202933248).

Almost surely, 2^2301115540 is an apocalyptic number.

2301115540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2301115540 is an abundant number, since it is smaller than the sum of its proper divisors (2569282412).

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

2301115540 is a wasteful number, since it uses less digits than its factorization.

2301115540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906087 (or 906085 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2301115540 is about 47969.9441317165. The cubic root of 2301115540 is about 1320.2194959448.

Adding to 2301115540 its reverse (455111032), we get a palindrome (2756226572).

The spelling of 2301115540 in words is "two billion, three hundred one million, one hundred fifteen thousand, five hundred forty".