44023140 has 72 divisors (see below), whose sum is σ = 152617920. Its totient is φ = 10062144.

The previous prime is 44023129. The next prime is 44023157. The reversal of 44023140 is 4132044.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16210 + ... + 18729.

Almost surely, 2^44023140 is an apocalyptic number.

It is an amenable number.

44023140 is an abundant number, since it is smaller than the sum of its proper divisors (108594780).

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

44023140 is a wasteful number, since it uses less digits than its factorization.

44023140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34961 (or 34956 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 44023140 is about 6634.9935945711. The cubic root of 44023140 is about 353.0967107627.

Adding to 44023140 its reverse (4132044), we get a palindrome (48155184).

The spelling of 44023140 in words is "forty-four million, twenty-three thousand, one hundred forty".