2102440444 has 36 divisors (see below), whose sum is σ = 3990437976. Its totient is φ = 968804928.

The previous prime is 2102440441. The next prime is 2102440447. The reversal of 2102440444 is 4440442012.

2102440444 = T₁₂₉ + T₁₃₀ + ... + T₂₃₂₇.

It is an interprime number because it is at equal distance from previous prime (2102440441) and next prime (2102440447).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102440441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493387 + ... + 497629.

Almost surely, 2^2102440444 is an apocalyptic number.

It is an amenable number.

2102440444 is a deficient number, since it is larger than the sum of its proper divisors (1887997532).

2102440444 is a wasteful number, since it uses less digits than its factorization.

2102440444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006 (or 4991 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 2102440444 is about 45852.3766450552. The cubic root of 2102440444 is about 1281.0750335451.

Adding to 2102440444 its reverse (4440442012), we get a palindrome (6542882456).

The spelling of 2102440444 in words is "two billion, one hundred two million, four hundred forty thousand, four hundred forty-four".