41991424 has 36 divisors (see below), whose sum is σ = 85224580. Its totient is φ = 20643840.

The previous prime is 41991419. The next prime is 41991437. The reversal of 41991424 is 42419914.

It can be written as a sum of positive squares in 2 ways, for example, as 1440000 + 40551424 = 1200^2 + 6368^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 41991424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14272 + ... + 16960.

Almost surely, 2^41991424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41991424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42612290).

41991424 is an abundant number, since it is smaller than the sum of its proper divisors (43233156).

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

41991424 is an equidigital number, since it uses as much as digits as its factorization.

41991424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766 (or 2752 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 41991424 is about 6480.0790118640. The cubic root of 41991424 is about 347.5790038269.

The spelling of 41991424 in words is "forty-one million, nine hundred ninety-one thousand, four hundred twenty-four".