40541069 has 2 divisors, whose sum is σ = 40541070. Its totient is φ = 40541068.

The previous prime is 40541063. The next prime is 40541077. The reversal of 40541069 is 96014504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33582025 + 6959044 = 5795^2 + 2638^2 .

It is a cyclic number.

It is not a de Polignac number, because 40541069 - 2²⁰ = 39492493 is a prime.

It is a super-2 number, since 2×40541069² = 3287156551325522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40541063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20270534 + 20270535.

It is an arithmetic number, because the mean of its divisors is an integer number (20270535).

Almost surely, 2^40541069 is an apocalyptic number.

It is an amenable number.

40541069 is a deficient number, since it is larger than the sum of its proper divisors (1).

40541069 is an equidigital number, since it uses as much as digits as its factorization.

40541069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 40541069 is about 6367.1868984662. The cubic root of 40541069 is about 343.5303132284.

The spelling of 40541069 in words is "forty million, five hundred forty-one thousand, sixty-nine".