41133440 has 32 divisors (see below), whose sum is σ = 98336160. Its totient is φ = 16453120.

The previous prime is 41133431. The next prime is 41133451. The reversal of 41133440 is 4433114.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 31496 + ... + 32775.

It is an arithmetic number, because the mean of its divisors is an integer number (3073005).

Almost surely, 2^41133440 is an apocalyptic number.

41133440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41133440 is an abundant number, since it is smaller than the sum of its proper divisors (57202720).

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

41133440 is an equidigital number, since it uses as much as digits as its factorization.

41133440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64290 (or 64278 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 41133440 is about 6413.5356863434. The cubic root of 41133440 is about 345.1954084481.

Adding to 41133440 its reverse (4433114), we get a palindrome (45566554).

The spelling of 41133440 in words is "forty-one million, one hundred thirty-three thousand, four hundred forty".