2540758743 has 12 divisors (see below), whose sum is σ = 3671205720. Its totient is φ = 1693275696.

The previous prime is 2540758741. The next prime is 2540758747. The reversal of 2540758743 is 3478570452.

2540758743 is a `hidden beast` number, since 25 + 4 + 0 + 7 + 587 + 43 = 666.

It is not a de Polignac number, because 2540758743 - 2¹ = 2540758741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540758741) 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 11 ways as a sum of consecutive naturals, for example, 17421 + ... + 73382.

It is an arithmetic number, because the mean of its divisors is an integer number (305933810).

Almost surely, 2^2540758743 is an apocalyptic number.

2540758743 is a deficient number, since it is larger than the sum of its proper divisors (1130446977).

2540758743 is a wasteful number, since it uses less digits than its factorization.

2540758743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93918 (or 93915 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The square root of 2540758743 is about 50405.9395607303. The cubic root of 2540758743 is about 1364.5448339497.

The spelling of 2540758743 in words is "two billion, five hundred forty million, seven hundred fifty-eight thousand, seven hundred forty-three".