2540016166242 has 16 divisors (see below), whose sum is σ = 5090212764000. Its totient is φ = 844975316832.

The previous prime is 2540016166133. The next prime is 2540016166361. The reversal of 2540016166242 is 2426616100452.

It is a self number, because there is not a number n which added to its sum of digits gives 2540016166242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424181403 + ... + 424187390.

It is an arithmetic number, because the mean of its divisors is an integer number (318138297750).

Almost surely, 2^{2540016166242} is an apocalyptic number.

2540016166242 is an abundant number, since it is smaller than the sum of its proper divisors (2550196597758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2540016166242 is a wasteful number, since it uses less digits than its factorization.

2540016166242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848369297.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 2540016166242 in words is "two trillion, five hundred forty billion, sixteen million, one hundred sixty-six thousand, two hundred forty-two".