44725140 has 36 divisors (see below), whose sum is σ = 135666804. Its totient is φ = 11926656.

The previous prime is 44725099. The next prime is 44725141. The reversal of 44725140 is 4152744.

44725140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17539344 + 27185796 = 4188^2 + 5214^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44725141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124057 + ... + 124416.

Almost surely, 2^44725140 is an apocalyptic number.

It is an amenable number.

44725140 is an abundant number, since it is smaller than the sum of its proper divisors (90941664).

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

44725140 is a wasteful number, since it uses less digits than its factorization.

44725140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248488 (or 248483 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 44725140 is about 6687.6856983563. The cubic root of 44725140 is about 354.9636675109.

Adding to 44725140 its reverse (4152744), we get a palindrome (48877884).

The spelling of 44725140 in words is "forty-four million, seven hundred twenty-five thousand, one hundred forty".