44125140 has 24 divisors (see below), whose sum is σ = 123550560. Its totient is φ = 11766688.

The previous prime is 44125091. The next prime is 44125141. The reversal of 44125140 is 4152144.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44125141) 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, 367650 + ... + 367769.

It is an arithmetic number, because the mean of its divisors is an integer number (5147940).

Almost surely, 2^44125140 is an apocalyptic number.

It is an amenable number.

44125140 is an abundant number, since it is smaller than the sum of its proper divisors (79425420).

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

44125140 is a wasteful number, since it uses less digits than its factorization.

44125140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735431 (or 735429 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 44125140 is about 6642.6756657239. The cubic root of 44125140 is about 353.3692044591.

Adding to 44125140 its reverse (4152144), we get a palindrome (48277284).

The spelling of 44125140 in words is "forty-four million, one hundred twenty-five thousand, one hundred forty".