2106115444 has 6 divisors (see below), whose sum is σ = 3685702034. Its totient is φ = 1053057720.

The previous prime is 2106115441. The next prime is 2106115471. The reversal of 2106115444 is 4445116012.

It can be written as a sum of positive squares in only one way, i.e., 2041955344 + 64160100 = 45188^2 + 8010^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106115441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263264427 + ... + 263264434.

Almost surely, 2^2106115444 is an apocalyptic number.

It is an amenable number.

2106115444 is a deficient number, since it is larger than the sum of its proper divisors (1579586590).

2106115444 is a wasteful number, since it uses less digits than its factorization.

2106115444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526528865 (or 526528863 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2106115444 is about 45892.4334068264. The cubic root of 2106115444 is about 1281.8210253924.

The spelling of 2106115444 in words is "two billion, one hundred six million, one hundred fifteen thousand, four hundred forty-four".