61444226056 has 8 divisors (see below), whose sum is σ = 115207923870. Its totient is φ = 30722113024.

The previous prime is 61444226033. The next prime is 61444226059. The reversal of 61444226056 is 65062244416.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54118577956 + 7325648100 = 232634^2 + 85590^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (61444226059) 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 as a sum of consecutive naturals, namely, 3840264121 + ... + 3840264136.

Almost surely, 2^61444226056 is an apocalyptic number.

It is an amenable number.

61444226056 is a deficient number, since it is larger than the sum of its proper divisors (53763697814).

61444226056 is a wasteful number, since it uses less digits than its factorization.

61444226056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7680528263 (or 7680528259 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 61444226056 in words is "sixty-one billion, four hundred forty-four million, two hundred twenty-six thousand, fifty-six".