41266640 has 40 divisors (see below), whose sum is σ = 97389600. Its totient is φ = 16258176.

The previous prime is 41266619. The next prime is 41266663. The reversal of 41266640 is 4666214.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511 + ... + 9209.

It is an arithmetic number, because the mean of its divisors is an integer number (2434740).

Almost surely, 2^41266640 is an apocalyptic number.

41266640 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 41266640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48694800).

41266640 is an abundant number, since it is smaller than the sum of its proper divisors (56122960).

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

41266640 is a wasteful number, since it uses less digits than its factorization.

41266640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7779 (or 7773 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 41266640 is about 6423.9115809606. The cubic root of 41266640 is about 345.5676156355.

The spelling of 41266640 in words is "forty-one million, two hundred sixty-six thousand, six hundred forty".