40955237 has 2 divisors, whose sum is σ = 40955238. Its totient is φ = 40955236.

The previous prime is 40955231. The next prime is 40955251. The reversal of 40955237 is 73255904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29658916 + 11296321 = 5446^2 + 3361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40955237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40955197 and 40955206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40955231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20477618 + 20477619.

It is an arithmetic number, because the mean of its divisors is an integer number (20477619).

Almost surely, 2^40955237 is an apocalyptic number.

It is an amenable number.

40955237 is a deficient number, since it is larger than the sum of its proper divisors (1).

40955237 is an equidigital number, since it uses as much as digits as its factorization.

40955237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 40955237 is about 6399.6278798068. The cubic root of 40955237 is about 344.6961884647.

The spelling of 40955237 in words is "forty million, nine hundred fifty-five thousand, two hundred thirty-seven".