41641290 has 80 divisors (see below), whose sum is σ = 113299560. Its totient is φ = 10972800.

The previous prime is 41641289. The next prime is 41641321. The reversal of 41641290 is 9214614.

It can be written as a sum of positive squares in 4 ways, for example, as 41641209 + 81 = 6453^2 + 9^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 81556 + ... + 82064.

Almost surely, 2^41641290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41641290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56649780).

41641290 is an abundant number, since it is smaller than the sum of its proper divisors (71658270).

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

41641290 is a wasteful number, since it uses less digits than its factorization.

41641290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 41641290 is about 6453.0062761476. The cubic root of 41641290 is about 346.6102420905.

The spelling of 41641290 in words is "forty-one million, six hundred forty-one thousand, two hundred ninety".