41321640 has 32 divisors (see below), whose sum is σ = 123965280. Its totient is φ = 11019072.

The previous prime is 41321629. The next prime is 41321659. The reversal of 41321640 is 4612314.

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, 172054 + ... + 172293.

It is an arithmetic number, because the mean of its divisors is an integer number (3873915).

Almost surely, 2^41321640 is an apocalyptic number.

41321640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41321640 is an abundant number, since it is smaller than the sum of its proper divisors (82643640).

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

41321640 is a wasteful number, since it uses less digits than its factorization.

41321640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344361 (or 344357 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 41321640 is about 6428.1910363647. The cubic root of 41321640 is about 345.7210711572.

Adding to 41321640 its reverse (4612314), we get a palindrome (45933954).

The spelling of 41321640 in words is "forty-one million, three hundred twenty-one thousand, six hundred forty".