44655661 has 8 divisors (see below), whose sum is σ = 45360000. Its totient is φ = 43956000.

The previous prime is 44655659. The next prime is 44655691. The reversal of 44655661 is 16655644.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44655661 - 2¹ = 44655659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44655661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44655631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21340 + ... + 23338.

It is an arithmetic number, because the mean of its divisors is an integer number (5670000).

Almost surely, 2^44655661 is an apocalyptic number.

44655661 is the 2989-th centered decagonal number.

It is an amenable number.

44655661 is a deficient number, since it is larger than the sum of its proper divisors (704339).

44655661 is a wasteful number, since it uses less digits than its factorization.

44655661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339.

The product of its digits is 86400, while the sum is 37.

The square root of 44655661 is about 6682.4891320525. The cubic root of 44655661 is about 354.7797642112.

The spelling of 44655661 in words is "forty-four million, six hundred fifty-five thousand, six hundred sixty-one".