2261206523444 has 48 divisors (see below), whose sum is σ = 4376329050240. Its totient is φ = 1013661411840.

The previous prime is 2261206523399. The next prime is 2261206523449. The reversal of 2261206523444 is 4443256021622.

2261206523444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2261206523444² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261206523449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62805512 + ... + 62841504.

It is an arithmetic number, because the mean of its divisors is an integer number (91173521880).

Almost surely, 2^{2261206523444} is an apocalyptic number.

It is an amenable number.

2261206523444 is a deficient number, since it is larger than the sum of its proper divisors (2115122526796).

2261206523444 is a wasteful number, since it uses less digits than its factorization.

2261206523444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55640 (or 55638 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 2261206523444 in words is "two trillion, two hundred sixty-one billion, two hundred six million, five hundred twenty-three thousand, four hundred forty-four".