44020663 has 4 divisors (see below), whose sum is σ = 46337560. Its totient is φ = 41703768.

The previous prime is 44020661. The next prime is 44020681. The reversal of 44020663 is 36602044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44020663 - 2¹ = 44020661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44020661) 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, 1158420 + ... + 1158457.

It is an arithmetic number, because the mean of its divisors is an integer number (11584390).

Almost surely, 2^44020663 is an apocalyptic number.

44020663 is a deficient number, since it is larger than the sum of its proper divisors (2316897).

44020663 is a wasteful number, since it uses less digits than its factorization.

44020663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316896.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 44020663 is about 6634.8069301224. The cubic root of 44020663 is about 353.0900882080.

The spelling of 44020663 in words is "forty-four million, twenty thousand, six hundred sixty-three".