40850321 has 2 divisors, whose sum is σ = 40850322. Its totient is φ = 40850320.

The previous prime is 40850279. The next prime is 40850339. The reversal of 40850321 is 12305804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27709696 + 13140625 = 5264^2 + 3625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40850321 is a prime.

It is not a weakly prime, because it can be changed into another prime (40850351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20425160 + 20425161.

It is an arithmetic number, because the mean of its divisors is an integer number (20425161).

Almost surely, 2^40850321 is an apocalyptic number.

It is an amenable number.

40850321 is a deficient number, since it is larger than the sum of its proper divisors (1).

40850321 is an equidigital number, since it uses as much as digits as its factorization.

40850321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 40850321 is about 6391.4255843278. The cubic root of 40850321 is about 344.4015979733.

The spelling of 40850321 in words is "forty million, eight hundred fifty thousand, three hundred twenty-one".