44322140 has 24 divisors (see below), whose sum is σ = 93350880. Its totient is φ = 17676608.

The previous prime is 44322101. The next prime is 44322143. The reversal of 44322140 is 4122344.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44322143) 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, 4094 + ... + 10266.

It is an arithmetic number, because the mean of its divisors is an integer number (3889620).

Almost surely, 2^44322140 is an apocalyptic number.

It is an amenable number.

44322140 is an abundant number, since it is smaller than the sum of its proper divisors (49028740).

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

44322140 is a wasteful number, since it uses less digits than its factorization.

44322140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6541 (or 6539 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 44322140 is about 6657.4875140702. The cubic root of 44322140 is about 353.8943048961.

Adding to 44322140 its reverse (4122344), we get a palindrome (48444484).

The spelling of 44322140 in words is "forty-four million, three hundred twenty-two thousand, one hundred forty".