44681868 has 168 divisors, whose sum is σ = 146899200. Its totient is φ = 11547360.

The previous prime is 44681867. The next prime is 44681869. The reversal of 44681868 is 86818644.

44681868 is a `hidden beast` number, since 4 + 468 + 186 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (44681867) and next prime (44681869).

It is not an unprimeable number, because it can be changed into a prime (44681867) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 224433 + ... + 224631.

It is an arithmetic number, because the mean of its divisors is an integer number (874400).

Almost surely, 2^44681868 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 44681868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73449600).

44681868 is an abundant number, since it is smaller than the sum of its proper divisors (102217332).

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

44681868 is a wasteful number, since it uses less digits than its factorization.

44681868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 222 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 44681868 is about 6684.4497155712. The cubic root of 44681868 is about 354.8491536594.

It can be divided in two parts, 4468 and 1868, that added together give a palindrome (6336).

The spelling of 44681868 in words is "forty-four million, six hundred eighty-one thousand, eight hundred sixty-eight".