41263440 has 80 divisors (see below), whose sum is σ = 134664000. Its totient is φ = 10423296.

The previous prime is 41263429. The next prime is 41263447. The reversal of 41263440 is 4436214.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 41263440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41263447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36 + ... + 9084.

It is an arithmetic number, because the mean of its divisors is an integer number (1683300).

Almost surely, 2^41263440 is an apocalyptic number.

41263440 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 41263440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67332000).

41263440 is an abundant number, since it is smaller than the sum of its proper divisors (93400560).

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

41263440 is a wasteful number, since it uses less digits than its factorization.

41263440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9084 (or 9078 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 41263440 is about 6423.6625067013. The cubic root of 41263440 is about 345.5586831180.

Adding to 41263440 its reverse (4436214), we get a palindrome (45699654).

The spelling of 41263440 in words is "forty-one million, two hundred sixty-three thousand, four hundred forty".