2103273444 has 48 divisors (see below), whose sum is σ = 4936377600. Its totient is φ = 696999936.

The previous prime is 2103273437. The next prime is 2103273467. The reversal of 2103273444 is 4443723012.

It is a super-2 number, since 2×2103273444² = 8847518360471242272, which contains 22 as substring.

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, 2734692 + ... + 2735460.

It is an arithmetic number, because the mean of its divisors is an integer number (102841200).

Almost surely, 2^2103273444 is an apocalyptic number.

It is an amenable number.

2103273444 is an abundant number, since it is smaller than the sum of its proper divisors (2833104156).

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

2103273444 is a wasteful number, since it uses less digits than its factorization.

2103273444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812 (or 1810 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 2103273444 is about 45861.4592441191. The cubic root of 2103273444 is about 1281.2442011746.

Adding to 2103273444 its reverse (4443723012), we get a palindrome (6546996456).

The spelling of 2103273444 in words is "two billion, one hundred three million, two hundred seventy-three thousand, four hundred forty-four".