44618661 has 8 divisors (see below), whose sum is σ = 66101760. Its totient is φ = 29745756.

The previous prime is 44618657. The next prime is 44618663. The reversal of 44618661 is 16681644.

44618661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44618661 - 2² = 44618657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44618663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826245 + ... + 826298.

It is an arithmetic number, because the mean of its divisors is an integer number (8262720).

Almost surely, 2^44618661 is an apocalyptic number.

It is an amenable number.

44618661 is a deficient number, since it is larger than the sum of its proper divisors (21483099).

44618661 is a wasteful number, since it uses less digits than its factorization.

44618661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652552 (or 1652546 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 44618661 is about 6679.7201288677. The cubic root of 44618661 is about 354.6817514163.

The spelling of 44618661 in words is "forty-four million, six hundred eighteen thousand, six hundred sixty-one".