40003069 has 2 divisors, whose sum is σ = 40003070. Its totient is φ = 40003068.

The previous prime is 40003043. The next prime is 40003079. The reversal of 40003069 is 96030004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38875225 + 1127844 = 6235^2 + 1062^2 .

It is a cyclic number.

It is not a de Polignac number, because 40003069 - 2¹¹ = 40001021 is a prime.

It is a super-2 number, since 2×40003069² = 3200491058837522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40003009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001534 + 20001535.

It is an arithmetic number, because the mean of its divisors is an integer number (20001535).

Almost surely, 2^40003069 is an apocalyptic number.

It is an amenable number.

40003069 is a deficient number, since it is larger than the sum of its proper divisors (1).

40003069 is an equidigital number, since it uses as much as digits as its factorization.

40003069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 40003069 is about 6324.7979414365. The cubic root of 40003069 is about 342.0039356386.

The spelling of 40003069 in words is "forty million, three thousand, sixty-nine".