40834069 has 2 divisors, whose sum is σ = 40834070. Its totient is φ = 40834068.

The previous prime is 40834033. The next prime is 40834103. The reversal of 40834069 is 96043804.

It is an a-pointer prime, because the next prime (40834103) can be obtained adding 40834069 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39853969 + 980100 = 6313^2 + 990^2 .

It is a cyclic number.

It is not a de Polignac number, because 40834069 - 2¹¹ = 40832021 is a prime.

It is a super-2 number, since 2×40834069² = 3334842382193522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40834369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20417034 + 20417035.

It is an arithmetic number, because the mean of its divisors is an integer number (20417035).

Almost surely, 2^40834069 is an apocalyptic number.

It is an amenable number.

40834069 is a deficient number, since it is larger than the sum of its proper divisors (1).

40834069 is an equidigital number, since it uses as much as digits as its factorization.

40834069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 40834069 is about 6390.1540670003. The cubic root of 40834069 is about 344.3559193669.

The spelling of 40834069 in words is "forty million, eight hundred thirty-four thousand, sixty-nine".