44442500 has 60 divisors (see below), whose sum is σ = 100702140. Its totient is φ = 17136000.

The previous prime is 44442491. The next prime is 44442547. The reversal of 44442500 is 524444.

It can be written as a sum of positive squares in 10 ways, for example, as 43454464 + 988036 = 6592^2 + 994^2 .

It is a super-3 number, since 3×44442500³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 72194 + ... + 72806.

It is an arithmetic number, because the mean of its divisors is an integer number (1678369).

Almost surely, 2^44442500 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 44442500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50351070).

44442500 is an abundant number, since it is smaller than the sum of its proper divisors (56259640).

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

44442500 is a wasteful number, since it uses less digits than its factorization.

44442500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 44442500 is about 6666.5208317382. The cubic root of 44442500 is about 354.2143572842.

Adding to 44442500 its reverse (524444), we get a palindrome (44966944).

The spelling of 44442500 in words is "forty-four million, four hundred forty-two thousand, five hundred".