41681040 has 40 divisors (see below), whose sum is σ = 129211968. Its totient is φ = 11114880.

The previous prime is 41681027. The next prime is 41681069. The reversal of 41681040 is 4018614.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 41681040.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86596 + ... + 87075.

Almost surely, 2^41681040 is an apocalyptic number.

41681040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41681040 is an abundant number, since it is smaller than the sum of its proper divisors (87530928).

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

41681040 is a wasteful number, since it uses less digits than its factorization.

41681040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173687 (or 173681 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 41681040 is about 6456.0855012926. The cubic root of 41681040 is about 346.7204962433.

Adding to 41681040 its reverse (4018614), we get a palindrome (45699654).

The spelling of 41681040 in words is "forty-one million, six hundred eighty-one thousand, forty".