41442440 has 32 divisors (see below), whose sum is σ = 100419480. Its totient is φ = 15301632.

The previous prime is 41442407. The next prime is 41442451. The reversal of 41442440 is 4424414.

It can be written as a sum of positive squares in 4 ways, for example, as 24186724 + 17255716 = 4918^2 + 4154^2 .

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 7 ways as a sum of consecutive naturals, for example, 39329 + ... + 40368.

Almost surely, 2^41442440 is an apocalyptic number.

41442440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41442440 is an abundant number, since it is smaller than the sum of its proper divisors (58977040).

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

41442440 is a wasteful number, since it uses less digits than its factorization.

41442440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79721 (or 79717 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 41442440 is about 6437.5802907614. The cubic root of 41442440 is about 346.0576379416.

Adding to 41442440 its reverse (4424414), we get a palindrome (45866854).

The spelling of 41442440 in words is "forty-one million, four hundred forty-two thousand, four hundred forty".