40885417 has 2 divisors, whose sum is σ = 40885418. Its totient is φ = 40885416.

The previous prime is 40885399. The next prime is 40885457. The reversal of 40885417 is 71458804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39576681 + 1308736 = 6291^2 + 1144^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40885417 is a prime.

It is not a weakly prime, because it can be changed into another prime (40885457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20442708 + 20442709.

It is an arithmetic number, because the mean of its divisors is an integer number (20442709).

Almost surely, 2^40885417 is an apocalyptic number.

It is an amenable number.

40885417 is a deficient number, since it is larger than the sum of its proper divisors (1).

40885417 is an equidigital number, since it uses as much as digits as its factorization.

40885417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 40885417 is about 6394.1705482416. The cubic root of 40885417 is about 344.5001990642.

The spelling of 40885417 in words is "forty million, eight hundred eighty-five thousand, four hundred seventeen".