2540140531054 has 16 divisors (see below), whose sum is σ = 4355042583168. Its totient is φ = 1088502666552.

The previous prime is 2540140530913. The next prime is 2540140531057. The reversal of 2540140531054 is 4501350410452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540140531057) 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, 10626712 + ... + 10863115.

It is an arithmetic number, because the mean of its divisors is an integer number (272190161448).

Almost surely, 2^{2540140531054} is an apocalyptic number.

2540140531054 is a deficient number, since it is larger than the sum of its proper divisors (1814902052114).

2540140531054 is a wasteful number, since it uses less digits than its factorization.

2540140531054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21498279.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 2540140531054 in words is "two trillion, five hundred forty billion, one hundred forty million, five hundred thirty-one thousand, fifty-four".