2540210542 has 8 divisors (see below), whose sum is σ = 3810529656. Its totient is φ = 1270033992.

The previous prime is 2540210537. The next prime is 2540210549. The reversal of 2540210542 is 2450120452.

2540210542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540210549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52653 + ... + 88615.

It is an arithmetic number, because the mean of its divisors is an integer number (476316207).

Almost surely, 2^2540210542 is an apocalyptic number.

2540210542 is a deficient number, since it is larger than the sum of its proper divisors (1270319114).

2540210542 is a wasteful number, since it uses less digits than its factorization.

2540210542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71282.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2540210542 is about 50400.5014062360. The cubic root of 2540210542 is about 1364.4466875921.

Adding to 2540210542 its reverse (2450120452), we get a palindrome (4990330994).

The spelling of 2540210542 in words is "two billion, five hundred forty million, two hundred ten thousand, five hundred forty-two".