44143040 has 28 divisors (see below), whose sum is σ = 105116376. Its totient is φ = 17657088.

The previous prime is 44143031. The next prime is 44143063. The reversal of 44143040 is 4034144.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68654 + ... + 69293.

Almost surely, 2^44143040 is an apocalyptic number.

44143040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44143040 is an abundant number, since it is smaller than the sum of its proper divisors (60973336).

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

44143040 is a wasteful number, since it uses less digits than its factorization.

44143040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137964 (or 137954 counting only the distinct ones).

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

The square root of 44143040 is about 6644.0228777451. The cubic root of 44143040 is about 353.4169811055.

Adding to 44143040 its reverse (4034144), we get a palindrome (48177184).

The spelling of 44143040 in words is "forty-four million, one hundred forty-three thousand, forty".