44666140 has 24 divisors (see below), whose sum is σ = 99317232. Its totient is φ = 16815360.

The previous prime is 44666137. The next prime is 44666143. The reversal of 44666140 is 4166644.

It is an interprime number because it is at equal distance from previous prime (44666137) and next prime (44666143).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44666143) 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, 65346 + ... + 66025.

It is an arithmetic number, because the mean of its divisors is an integer number (4138218).

Almost surely, 2^44666140 is an apocalyptic number.

It is an amenable number.

44666140 is an abundant number, since it is smaller than the sum of its proper divisors (54651092).

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

44666140 is a wasteful number, since it uses less digits than its factorization.

44666140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131397 (or 131395 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 44666140 is about 6683.2731501862. The cubic root of 44666140 is about 354.8075131856.

The spelling of 44666140 in words is "forty-four million, six hundred sixty-six thousand, one hundred forty".