40183769 has 2 divisors, whose sum is σ = 40183770. Its totient is φ = 40183768.

The previous prime is 40183753. The next prime is 40183807. The reversal of 40183769 is 96738104.

It is an a-pointer prime, because the next prime (40183807) can be obtained adding 40183769 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39000025 + 1183744 = 6245^2 + 1088^2 .

It is a cyclic number.

It is not a de Polignac number, because 40183769 - 2⁴ = 40183753 is a prime.

It is a super-2 number, since 2×40183769² = 3229470582090722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40183709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20091884 + 20091885.

It is an arithmetic number, because the mean of its divisors is an integer number (20091885).

Almost surely, 2^40183769 is an apocalyptic number.

It is an amenable number.

40183769 is a deficient number, since it is larger than the sum of its proper divisors (1).

40183769 is an equidigital number, since it uses as much as digits as its factorization.

40183769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 40183769 is about 6339.0668871688. The cubic root of 40183769 is about 342.5181236081.

The spelling of 40183769 in words is "forty million, one hundred eighty-three thousand, seven hundred sixty-nine".