44140866 has 48 divisors (see below), whose sum is σ = 112039200. Its totient is φ = 11464320.

The previous prime is 44140861. The next prime is 44140867. The reversal of 44140866 is 66804144.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (44140861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3591 + ... + 10058.

It is an arithmetic number, because the mean of its divisors is an integer number (2334150).

Almost surely, 2^44140866 is an apocalyptic number.

44140866 is an abundant number, since it is smaller than the sum of its proper divisors (67898334).

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

44140866 is a wasteful number, since it uses less digits than its factorization.

44140866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13679 (or 13672 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 44140866 is about 6643.8592700327. The cubic root of 44140866 is about 353.4111792008.

Subtracting 44140866 from its reverse (66804144), we obtain a triangular number (22663278 = T₆₇₃₂).

The spelling of 44140866 in words is "forty-four million, one hundred forty thousand, eight hundred sixty-six".