44021140 has 24 divisors (see below), whose sum is σ = 94413312. Its totient is φ = 17233440.

The previous prime is 44021137. The next prime is 44021183. The reversal of 44021140 is 4112044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22476 + ... + 24355.

It is an arithmetic number, because the mean of its divisors is an integer number (3933888).

Almost surely, 2^44021140 is an apocalyptic number.

It is an amenable number.

44021140 is an abundant number, since it is smaller than the sum of its proper divisors (50392172).

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

44021140 is a wasteful number, since it uses less digits than its factorization.

44021140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46887 (or 46885 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 44021140 is about 6634.8428768133. The cubic root of 44021140 is about 353.0913635437.

Adding to 44021140 its reverse (4112044), we get a palindrome (48133184).

The spelling of 44021140 in words is "forty-four million, twenty-one thousand, one hundred forty".