44566145644 has 12 divisors (see below), whose sum is σ = 77994146664. Its totient is φ = 22282103744.

The previous prime is 44566145641. The next prime is 44566145653. The reversal of 44566145644 is 44654166544.

It is a happy number.

It is a super-2 number, since 2×44566145644² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44566145641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133357 + ... + 326980.

It is an arithmetic number, because the mean of its divisors is an integer number (6499512222).

Almost surely, 2^44566145644 is an apocalyptic number.

It is an amenable number.

44566145644 is a deficient number, since it is larger than the sum of its proper divisors (33428001020).

44566145644 is a wasteful number, since it uses less digits than its factorization.

44566145644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484544 (or 484542 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 49.

The spelling of 44566145644 in words is "forty-four billion, five hundred sixty-six million, one hundred forty-five thousand, six hundred forty-four".