41391040 has 28 divisors (see below), whose sum is σ = 98563176. Its totient is φ = 16556288.

The previous prime is 41391013. The next prime is 41391041. The reversal of 41391040 is 4019314.

41391040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41391041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 64354 + ... + 64993.

Almost surely, 2^41391040 is an apocalyptic number.

41391040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41391040 is an abundant number, since it is smaller than the sum of its proper divisors (57172136).

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

41391040 is a wasteful number, since it uses less digits than its factorization.

41391040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129364 (or 129354 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 41391040 is about 6433.5868689247. The cubic root of 41391040 is about 345.9145099356.

The spelling of 41391040 in words is "forty-one million, three hundred ninety-one thousand, forty".