44140500 has 144 divisors (see below), whose sum is σ = 147695184. Its totient is φ = 11059200.

The previous prime is 44140463. The next prime is 44140511. The reversal of 44140500 is 504144.

It can be written as a sum of positive squares in 8 ways, for example, as 501264 + 43639236 = 708^2 + 6606^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76212 + ... + 76788.

It is an arithmetic number, because the mean of its divisors is an integer number (1025661).

Almost surely, 2^44140500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44140500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73847592).

44140500 is an abundant number, since it is smaller than the sum of its proper divisors (103554684).

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

44140500 is a wasteful number, since it uses less digits than its factorization.

44140500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 44140500 is about 6643.8317257438. The cubic root of 44140500 is about 353.4102024125.

Adding to 44140500 its reverse (504144), we get a palindrome (44644644).

The spelling of 44140500 in words is "forty-four million, one hundred forty thousand, five hundred".