2540244343 has 8 divisors (see below), whose sum is σ = 3126454688. Its totient is φ = 2009863584.

The previous prime is 2540244337. The next prime is 2540244347. The reversal of 2540244343 is 3434420452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2540244343 - 2²⁹ = 2003373431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540244347) 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, 13957296 + ... + 13957477.

It is an arithmetic number, because the mean of its divisors is an integer number (390806836).

Almost surely, 2^2540244343 is an apocalyptic number.

2540244343 is a deficient number, since it is larger than the sum of its proper divisors (586210345).

2540244343 is a wasteful number, since it uses less digits than its factorization.

2540244343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27914793.

The product of its (nonzero) digits is 46080, while the sum is 31.

The square root of 2540244343 is about 50400.8367291655. The cubic root of 2540244343 is about 1364.4527395127.

Adding to 2540244343 its reverse (3434420452), we get a palindrome (5974664795).

The spelling of 2540244343 in words is "two billion, five hundred forty million, two hundred forty-four thousand, three hundred forty-three".