40365049 has 2 divisors, whose sum is σ = 40365050. Its totient is φ = 40365048.

The previous prime is 40365041. The next prime is 40365053. The reversal of 40365049 is 94056304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36385024 + 3980025 = 6032^2 + 1995^2 .

It is a cyclic number.

It is not a de Polignac number, because 40365049 - 2³ = 40365041 is a prime.

It is a Chen prime.

It is equal to p_2454565 and since 40365049 and 2454565 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40365049.

It is not a weakly prime, because it can be changed into another prime (40365041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20182524 + 20182525.

It is an arithmetic number, because the mean of its divisors is an integer number (20182525).

Almost surely, 2^40365049 is an apocalyptic number.

It is an amenable number.

40365049 is a deficient number, since it is larger than the sum of its proper divisors (1).

40365049 is an equidigital number, since it uses as much as digits as its factorization.

40365049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 40365049 is about 6353.3494315991. The cubic root of 40365049 is about 343.0324154016.

The spelling of 40365049 in words is "forty million, three hundred sixty-five thousand, forty-nine".