2125344440 has 32 divisors (see below), whose sum is σ = 4989941280. Its totient is φ = 813174912.

The previous prime is 2125344439. The next prime is 2125344497. The reversal of 2125344440 is 444435212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154159 + ... + 1155998.

It is an arithmetic number, because the mean of its divisors is an integer number (155935665).

Almost surely, 2^2125344440 is an apocalyptic number.

2125344440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125344440 is an abundant number, since it is smaller than the sum of its proper divisors (2864596840).

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

2125344440 is a wasteful number, since it uses less digits than its factorization.

2125344440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310191 (or 2310187 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 2125344440 is about 46101.4581114307. The cubic root of 2125344440 is about 1285.7102544965.

Adding to 2125344440 its reverse (444435212), we get a palindrome (2569779652).

The spelling of 2125344440 in words is "two billion, one hundred twenty-five million, three hundred forty-four thousand, four hundred forty".