44887140 has 72 divisors (see below), whose sum is σ = 144176760. Its totient is φ = 11265024.

The previous prime is 44887121. The next prime is 44887151. The reversal of 44887140 is 4178844.

It is a happy number.

44887140 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 4 ways, for example, as 11985444 + 32901696 = 3462^2 + 5736^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 44887095 and 44887104.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4275 + ... + 10394.

It is an arithmetic number, because the mean of its divisors is an integer number (2002455).

Almost surely, 2^44887140 is an apocalyptic number.

It is an amenable number.

44887140 is an abundant number, since it is smaller than the sum of its proper divisors (99289620).

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

44887140 is a wasteful number, since it uses less digits than its factorization.

44887140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14701 (or 14696 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 44887140 is about 6699.7865637646. The cubic root of 44887140 is about 355.3917252320.

It can be divided in two parts, 4488 and 7140, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 44887140 in words is "forty-four million, eight hundred eighty-seven thousand, one hundred forty".