2042116540 has 24 divisors (see below), whose sum is σ = 4293060912. Its totient is φ = 815967360.

The previous prime is 2042116513. The next prime is 2042116547. The reversal of 2042116540 is 456112402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042116547) 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, 35746 + ... + 73225.

It is an arithmetic number, because the mean of its divisors is an integer number (178877538).

Almost surely, 2^2042116540 is an apocalyptic number.

2042116540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042116540 is an abundant number, since it is smaller than the sum of its proper divisors (2250944372).

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

2042116540 is a wasteful number, since it uses less digits than its factorization.

2042116540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109917 (or 109915 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2042116540 is about 45189.7835799199. The cubic root of 2042116540 is about 1268.7036061239.

Adding to 2042116540 its reverse (456112402), we get a palindrome (2498228942).

The spelling of 2042116540 in words is "two billion, forty-two million, one hundred sixteen thousand, five hundred forty".