40364369 has 2 divisors, whose sum is σ = 40364370. Its totient is φ = 40364368.

The previous prime is 40364329. The next prime is 40364381. The reversal of 40364369 is 96346304.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24880144 + 15484225 = 4988^2 + 3935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40364369 is a prime.

It is a super-2 number, since 2×40364369² = 3258564569536322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40364329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20182184 + 20182185.

It is an arithmetic number, because the mean of its divisors is an integer number (20182185).

Almost surely, 2^40364369 is an apocalyptic number.

It is an amenable number.

40364369 is a deficient number, since it is larger than the sum of its proper divisors (1).

40364369 is an equidigital number, since it uses as much as digits as its factorization.

40364369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 40364369 is about 6353.2959162942. The cubic root of 40364369 is about 343.0304891200.

The spelling of 40364369 in words is "forty million, three hundred sixty-four thousand, three hundred sixty-nine".