2540079342 has 12 divisors (see below), whose sum is σ = 5503505280. Its totient is φ = 846693108.

The previous prime is 2540079331. The next prime is 2540079349. The reversal of 2540079342 is 2439700452.

2540079342 is a `hidden beast` number, since 2 + 540 + 0 + 79 + 3 + 42 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2540079297 and 2540079306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540079349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70557742 + ... + 70557777.

It is an arithmetic number, because the mean of its divisors is an integer number (458625440).

Almost surely, 2^2540079342 is an apocalyptic number.

2540079342 is an abundant number, since it is smaller than the sum of its proper divisors (2963425938).

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

2540079342 is a wasteful number, since it uses less digits than its factorization.

2540079342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141115527 (or 141115524 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2540079342 is about 50399.1998150764. The cubic root of 2540079342 is about 1364.4231962995.

Adding to 2540079342 its reverse (2439700452), we get a palindrome (4979779794).

The spelling of 2540079342 in words is "two billion, five hundred forty million, seventy-nine thousand, three hundred forty-two".