2542111340 has 48 divisors (see below), whose sum is σ = 5576534208. Its totient is φ = 971587584.

The previous prime is 2542111333. The next prime is 2542111343. The reversal of 2542111340 is 431112452.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (2542111343) 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, 527984 + ... + 532776.

It is an arithmetic number, because the mean of its divisors is an integer number (116177796).

Almost surely, 2^2542111340 is an apocalyptic number.

2542111340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2542111340 is an abundant number, since it is smaller than the sum of its proper divisors (3034422868).

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

2542111340 is a wasteful number, since it uses less digits than its factorization.

2542111340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978 (or 5976 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2542111340 is about 50419.3548153881. The cubic root of 2542111340 is about 1364.7869337856.

Adding to 2542111340 its reverse (431112452), we get a palindrome (2973223792).

The spelling of 2542111340 in words is "two billion, five hundred forty-two million, one hundred eleven thousand, three hundred forty".