41089640 has 16 divisors (see below), whose sum is σ = 92451780. Its totient is φ = 16435840.

The previous prime is 41089637. The next prime is 41089649. The reversal of 41089640 is 4698014.

It can be written as a sum of positive squares in 2 ways, for example, as 40934404 + 155236 = 6398^2 + 394^2 .

It is a junction number, because it is equal to n+sod(n) for n = 41089597 and 41089606.

It is not an unprimeable number, because it can be changed into a prime (41089649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513581 + ... + 513660.

Almost surely, 2^41089640 is an apocalyptic number.

41089640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41089640 is an abundant number, since it is smaller than the sum of its proper divisors (51362140).

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

41089640 is a wasteful number, since it uses less digits than its factorization.

41089640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027252 (or 1027248 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 41089640 is about 6410.1201236794. The cubic root of 41089640 is about 345.0728404626.

The spelling of 41089640 in words is "forty-one million, eighty-nine thousand, six hundred forty".