2540231343 has 48 divisors (see below), whose sum is σ = 4132477440. Its totient is φ = 1491918912.

The previous prime is 2540231327. The next prime is 2540231381. The reversal of 2540231343 is 3431320452.

It is not a de Polignac number, because 2540231343 - 2⁴ = 2540231327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540231303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1740348 + ... + 1741806.

It is an arithmetic number, because the mean of its divisors is an integer number (86093280).

Almost surely, 2^2540231343 is an apocalyptic number.

2540231343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2540231343 is a deficient number, since it is larger than the sum of its proper divisors (1592246097).

2540231343 is a wasteful number, since it uses less digits than its factorization.

2540231343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148 (or 2145 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2540231343 is about 50400.7077628876. The cubic root of 2540231343 is about 1364.4504119262.

Adding to 2540231343 its reverse (3431320452), we get a palindrome (5971551795).

The spelling of 2540231343 in words is "two billion, five hundred forty million, two hundred thirty-one thousand, three hundred forty-three".