44140144 has 40 divisors (see below), whose sum is σ = 88565760. Its totient is φ = 21298368.

The previous prime is 44140139. The next prime is 44140163. The reversal of 44140144 is 44104144.

It is a happy number.

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, 59037 + ... + 59779.

It is an arithmetic number, because the mean of its divisors is an integer number (2214144).

Almost surely, 2^44140144 is an apocalyptic number.

It is an amenable number.

44140144 is an abundant number, since it is smaller than the sum of its proper divisors (44425616).

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

44140144 is a wasteful number, since it uses less digits than its factorization.

44140144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 44140144 is about 6643.8049339215. The cubic root of 44140144 is about 353.4092523072.

Adding to 44140144 its reverse (44104144), we get a palindrome (88244288).

The spelling of 44140144 in words is "forty-four million, one hundred forty thousand, one hundred forty-four".