2125352444 has 48 divisors (see below), whose sum is σ = 4125800448. Its totient is φ = 952858368.

The previous prime is 2125352431. The next prime is 2125352473. The reversal of 2125352444 is 4442535212.

It is a super-2 number, since 2×2125352444² = 9034246022433546272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2125352444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408749 + ... + 413915.

It is an arithmetic number, because the mean of its divisors is an integer number (85954176).

Almost surely, 2^2125352444 is an apocalyptic number.

It is an amenable number.

2125352444 is a deficient number, since it is larger than the sum of its proper divisors (2000448004).

2125352444 is a wasteful number, since it uses less digits than its factorization.

2125352444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474 (or 5472 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 2125352444 is about 46101.5449198831. The cubic root of 2125352444 is about 1285.7118684799.

Adding to 2125352444 its reverse (4442535212), we get a palindrome (6567887656).

The spelling of 2125352444 in words is "two billion, one hundred twenty-five million, three hundred fifty-two thousand, four hundred forty-four".