41085440 has 80 divisors (see below), whose sum is σ = 107537760. Its totient is φ = 14929920.

The previous prime is 41085427. The next prime is 41085449. The reversal of 41085440 is 4458014.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (41085449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27431 + ... + 28889.

It is an arithmetic number, because the mean of its divisors is an integer number (1344222).

Almost surely, 2^41085440 is an apocalyptic number.

41085440 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 41085440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53768880).

41085440 is an abundant number, since it is smaller than the sum of its proper divisors (66452320).

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

41085440 is a wasteful number, since it uses less digits than its factorization.

41085440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1477 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 41085440 is about 6409.7925083422. The cubic root of 41085440 is about 345.0610827923.

The spelling of 41085440 in words is "forty-one million, eighty-five thousand, four hundred forty".