41291240 has 32 divisors (see below), whose sum is σ = 94663080. Its totient is φ = 16204032.

The previous prime is 41291227. The next prime is 41291281. The reversal of 41291240 is 4219214.

41291240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 38962564 + 2328676 = 6242^2 + 1526^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7619 + ... + 11858.

Almost surely, 2^41291240 is an apocalyptic number.

41291240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41291240 is an abundant number, since it is smaller than the sum of its proper divisors (53371840).

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

41291240 is a wasteful number, since it uses less digits than its factorization.

41291240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19541 (or 19537 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 41291240 is about 6425.8260169413. The cubic root of 41291240 is about 345.6362689488.

The spelling of 41291240 in words is "forty-one million, two hundred ninety-one thousand, two hundred forty".