44871940 has 12 divisors (see below), whose sum is σ = 94231116. Its totient is φ = 17948768.

The previous prime is 44871881. The next prime is 44871941. The reversal of 44871940 is 4917844.

It can be written as a sum of positive squares in 2 ways, for example, as 7929856 + 36942084 = 2816^2 + 6078^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44871940.

It is not an unprimeable number, because it can be changed into a prime (44871941) 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, 1121779 + ... + 1121818.

It is an arithmetic number, because the mean of its divisors is an integer number (7852593).

Almost surely, 2^44871940 is an apocalyptic number.

It is an amenable number.

44871940 is an abundant number, since it is smaller than the sum of its proper divisors (49359176).

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

44871940 is a wasteful number, since it uses less digits than its factorization.

44871940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243606 (or 2243604 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 44871940 is about 6698.6521032220. The cubic root of 44871940 is about 355.3516056187.

The spelling of 44871940 in words is "forty-four million, eight hundred seventy-one thousand, nine hundred forty".