40066244 has 6 divisors (see below), whose sum is σ = 70115934. Its totient is φ = 20033120.

The previous prime is 40066241. The next prime is 40066259. The reversal of 40066244 is 44266004.

It can be written as a sum of positive squares in only one way, i.e., 33756100 + 6310144 = 5810^2 + 2512^2 .

It is not an unprimeable number, because it can be changed into a prime (40066241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5008277 + ... + 5008284.

It is an arithmetic number, because the mean of its divisors is an integer number (11685989).

Almost surely, 2^40066244 is an apocalyptic number.

It is an amenable number.

40066244 is a deficient number, since it is larger than the sum of its proper divisors (30049690).

40066244 is a wasteful number, since it uses less digits than its factorization.

40066244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10016565 (or 10016563 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 40066244 is about 6329.7902018945. The cubic root of 40066244 is about 342.1838779556.

The spelling of 40066244 in words is "forty million, sixty-six thousand, two hundred forty-four".