2125504340 has 12 divisors (see below), whose sum is σ = 4463559156. Its totient is φ = 850201728.

The previous prime is 2125504321. The next prime is 2125504361. The reversal of 2125504340 is 434055212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1463368516 + 662135824 = 38254^2 + 25732^2 .

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, 53137589 + ... + 53137628.

It is an arithmetic number, because the mean of its divisors is an integer number (371963263).

Almost surely, 2^2125504340 is an apocalyptic number.

2125504340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125504340 is an abundant number, since it is smaller than the sum of its proper divisors (2338054816).

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

2125504340 is a wasteful number, since it uses less digits than its factorization.

2125504340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106275226 (or 106275224 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2125504340 is about 46103.1922972802. The cubic root of 2125504340 is about 1285.7424971000.

Adding to 2125504340 its reverse (434055212), we get a palindrome (2559559552).

The spelling of 2125504340 in words is "two billion, one hundred twenty-five million, five hundred four thousand, three hundred forty".