2125344438 has 48 divisors (see below), whose sum is σ = 5432534016. Its totient is φ = 587651760.

The previous prime is 2125344421. The next prime is 2125344439. The reversal of 2125344438 is 8344435212.

2125344438 is a `hidden beast` number, since 212 + 5 + 3 + 4 + 4 + 438 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125344439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268156 + ... + 275967.

It is an arithmetic number, because the mean of its divisors is an integer number (113177792).

Almost surely, 2^2125344438 is an apocalyptic number.

2125344438 is an abundant number, since it is smaller than the sum of its proper divisors (3307189578).

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

2125344438 is a wasteful number, since it uses less digits than its factorization.

2125344438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544169 (or 544166 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 2125344438 is about 46101.4580897394. The cubic root of 2125344438 is about 1285.7102540932.

The spelling of 2125344438 in words is "two billion, one hundred twenty-five million, three hundred forty-four thousand, four hundred thirty-eight".