2540851940023 has 2 divisors, whose sum is σ = 2540851940024. Its totient is φ = 2540851940022.

The previous prime is 2540851939993. The next prime is 2540851940047. The reversal of 2540851940023 is 3200491580452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2540851940023 - 2⁴¹ = 341828684471 is a prime.

It is a super-2 number, since 2×2540851940023² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540851940323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270425970011 + 1270425970012.

It is an arithmetic number, because the mean of its divisors is an integer number (1270425970012).

Almost surely, 2^{2540851940023} is an apocalyptic number.

2540851940023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540851940023 is an equidigital number, since it uses as much as digits as its factorization.

2540851940023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 2540851940023 in words is "two trillion, five hundred forty billion, eight hundred fifty-one million, nine hundred forty thousand, twenty-three".