41664378 has 64 divisors (see below), whose sum is σ = 101376000. Its totient is φ = 11150784.

The previous prime is 41664367. The next prime is 41664379. The reversal of 41664378 is 87346614.

It is not an unprimeable number, because it can be changed into a prime (41664379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86743 + ... + 87221.

It is an arithmetic number, because the mean of its divisors is an integer number (1584000).

Almost surely, 2^41664378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41664378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50688000).

41664378 is an abundant number, since it is smaller than the sum of its proper divisors (59711622).

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

41664378 is a wasteful number, since it uses less digits than its factorization.

41664378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619.

The product of its digits is 96768, while the sum is 39.

The square root of 41664378 is about 6454.7949618869. The cubic root of 41664378 is about 346.6742895677.

The spelling of 41664378 in words is "forty-one million, six hundred sixty-four thousand, three hundred seventy-eight".