41890290 has 64 divisors (see below), whose sum is σ = 111234816. Its totient is φ = 10029312.

The previous prime is 41890237. The next prime is 41890309. The reversal of 41890290 is 9209814.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12979 + ... + 15881.

It is an arithmetic number, because the mean of its divisors is an integer number (1738044).

Almost surely, 2^41890290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41890290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55617408).

41890290 is an abundant number, since it is smaller than the sum of its proper divisors (69344526).

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

41890290 is a wasteful number, since it uses less digits than its factorization.

41890290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 41890290 is about 6472.2708534177. The cubic root of 41890290 is about 347.2997379672.

The spelling of 41890290 in words is "forty-one million, eight hundred ninety thousand, two hundred ninety".