41809156 has 27 divisors (see below), whose sum is σ = 75815103. Its totient is φ = 20173920.

The previous prime is 41809133. The next prime is 41809169. The reversal of 41809156 is 65190814.

The square root of 41809156 is 6466.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5616900 + 36192256 = 2370^2 + 6016^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 685366 + ... + 685426.

Almost surely, 2^41809156 is an apocalyptic number.

41809156 is the 6466-th square number.

It is an amenable number.

41809156 is a deficient number, since it is larger than the sum of its proper divisors (34005947).

41809156 is an equidigital number, since it uses as much as digits as its factorization.

41809156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The cubic root of 41809156 is about 347.0753738935.

The spelling of 41809156 in words is "forty-one million, eight hundred nine thousand, one hundred fifty-six".