44418040 has 64 divisors (see below), whose sum is σ = 104405760. Its totient is φ = 16988160.

The previous prime is 44418013. The next prime is 44418043. The reversal of 44418040 is 4081444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44417996 and 44418014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44418043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139962 + ... + 140278.

It is an arithmetic number, because the mean of its divisors is an integer number (1631340).

Almost surely, 2^44418040 is an apocalyptic number.

44418040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44418040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52202880).

44418040 is an abundant number, since it is smaller than the sum of its proper divisors (59987720).

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

44418040 is a wasteful number, since it uses less digits than its factorization.

44418040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 44418040 is about 6664.6860391169. The cubic root of 44418040 is about 354.1493618919.

Adding to 44418040 its reverse (4081444), we get a palindrome (48499484).

The spelling of 44418040 in words is "forty-four million, four hundred eighteen thousand, forty".