44121500 has 48 divisors (see below), whose sum is σ = 97668480. Its totient is φ = 17409600.

The previous prime is 44121491. The next prime is 44121509. The reversal of 44121500 is 512144.

44121500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (44121491) and next prime (44121509).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44121509) 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 15 ways as a sum of consecutive naturals, for example, 38942 + ... + 40058.

It is an arithmetic number, because the mean of its divisors is an integer number (2034760).

Almost surely, 2^44121500 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 44121500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48834240).

44121500 is an abundant number, since it is smaller than the sum of its proper divisors (53546980).

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

44121500 is a wasteful number, since it uses less digits than its factorization.

44121500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 44121500 is about 6642.4016740935. The cubic root of 44121500 is about 353.3594874038.

Adding to 44121500 its reverse (512144), we get a palindrome (44633644).

The spelling of 44121500 in words is "forty-four million, one hundred twenty-one thousand, five hundred".