2102445726 has 32 divisors (see below), whose sum is σ = 4482151200. Its totient is φ = 655159296.

The previous prime is 2102445721. The next prime is 2102445731. The reversal of 2102445726 is 6275442012.

It is an interprime number because it is at equal distance from previous prime (2102445721) and next prime (2102445731).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102445721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53971 + ... + 84366.

It is an arithmetic number, because the mean of its divisors is an integer number (140067225).

Almost surely, 2^2102445726 is an apocalyptic number.

2102445726 is an abundant number, since it is smaller than the sum of its proper divisors (2379705474).

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

2102445726 is a wasteful number, since it uses less digits than its factorization.

2102445726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138508.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 2102445726 is about 45852.4342429058. The cubic root of 2102445726 is about 1281.0761063670.

Adding to 2102445726 its reverse (6275442012), we get a palindrome (8377887738).

The spelling of 2102445726 in words is "two billion, one hundred two million, four hundred forty-five thousand, seven hundred twenty-six".