44042985 has 48 divisors (see below), whose sum is σ = 88283520. Its totient is φ = 19895040.

The previous prime is 44042983. The next prime is 44042989. The reversal of 44042985 is 58924044.

It is not a de Polignac number, because 44042985 - 2¹ = 44042983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44042981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27250 + ... + 28820.

It is an arithmetic number, because the mean of its divisors is an integer number (1839240).

Almost surely, 2^44042985 is an apocalyptic number.

44042985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44042985 is an abundant number, since it is smaller than the sum of its proper divisors (44240535).

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

44042985 is a wasteful number, since it uses less digits than its factorization.

44042985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678 (or 1675 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 44042985 is about 6636.4889060406. The cubic root of 44042985 is about 353.1497597696.

The spelling of 44042985 in words is "forty-four million, forty-two thousand, nine hundred eighty-five".