2540172167427 has 16 divisors (see below), whose sum is σ = 3555315187200. Its totient is φ = 1610120404992.

The previous prime is 2540172167359. The next prime is 2540172167441. The reversal of 2540172167427 is 7247612710452.

It is not a de Polignac number, because 2540172167427 - 2¹⁴ = 2540172151043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2540172167447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110210302 + ... + 110233347.

It is an arithmetic number, because the mean of its divisors is an integer number (222207199200).

Almost surely, 2^{2540172167427} is an apocalyptic number.

2540172167427 is a deficient number, since it is larger than the sum of its proper divisors (1015143019773).

2540172167427 is a wasteful number, since it uses less digits than its factorization.

2540172167427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220443842.

The product of its (nonzero) digits is 1317120, while the sum is 48.

Adding to 2540172167427 its reverse (7247612710452), we get a palindrome (9787784877879).

The spelling of 2540172167427 in words is "two trillion, five hundred forty billion, one hundred seventy-two million, one hundred sixty-seven thousand, four hundred twenty-seven".