44620866 has 12 divisors (see below), whose sum is σ = 96678582. Its totient is φ = 14873616.

The previous prime is 44620841. The next prime is 44620867. The reversal of 44620866 is 66802644.

It is a happy number.

44620866 is a `hidden beast` number, since 446 + 208 + 6 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43837641 + 783225 = 6621^2 + 885^2 .

It is a super-3 number, since 3×44620866³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44620866.

It is not an unprimeable number, because it can be changed into a prime (44620867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1239451 + ... + 1239486.

Almost surely, 2^44620866 is an apocalyptic number.

44620866 is an abundant number, since it is smaller than the sum of its proper divisors (52057716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44620866 is a wasteful number, since it uses less digits than its factorization.

44620866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478945 (or 2478942 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 44620866 is about 6679.8851786539. The cubic root of 44620866 is about 354.6875939671.

It can be divided in two parts, 446 and 20866, that added together give a palindrome (21312).

The spelling of 44620866 in words is "forty-four million, six hundred twenty thousand, eight hundred sixty-six".