2104112540 has 12 divisors (see below), whose sum is σ = 4418636376. Its totient is φ = 841645008.

The previous prime is 2104112539. The next prime is 2104112551. The reversal of 2104112540 is 452114012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 105205627 = 2104112540 / (2 + 1 + 0 + 4 + 1 + 1 + 2 + 5 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52602794 + ... + 52602833.

It is an arithmetic number, because the mean of its divisors is an integer number (368219698).

Almost surely, 2^2104112540 is an apocalyptic number.

2104112540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104112540 is an abundant number, since it is smaller than the sum of its proper divisors (2314523836).

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

2104112540 is a wasteful number, since it uses less digits than its factorization.

2104112540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105205636 (or 105205634 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2104112540 is about 45870.6064926114. The cubic root of 2104112540 is about 1281.4145616432.

Adding to 2104112540 its reverse (452114012), we get a palindrome (2556226552).

The spelling of 2104112540 in words is "two billion, one hundred four million, one hundred twelve thousand, five hundred forty".