2101426446 has 24 divisors (see below), whose sum is σ = 4889033640. Its totient is φ = 600407472.

The previous prime is 2101426427. The next prime is 2101426477. The reversal of 2101426446 is 6446241012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3573561 + ... + 3574148.

It is an arithmetic number, because the mean of its divisors is an integer number (203709735).

Almost surely, 2^2101426446 is an apocalyptic number.

2101426446 is an abundant number, since it is smaller than the sum of its proper divisors (2787607194).

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

2101426446 is a wasteful number, since it uses less digits than its factorization.

2101426446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147728 (or 7147721 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 2101426446 is about 45841.3181093214. The cubic root of 2101426446 is about 1280.8690480966.

Adding to 2101426446 its reverse (6446241012), we get a palindrome (8547667458).

The spelling of 2101426446 in words is "two billion, one hundred one million, four hundred twenty-six thousand, four hundred forty-six".