40277249 has 2 divisors, whose sum is σ = 40277250. Its totient is φ = 40277248.

The previous prime is 40277243. The next prime is 40277257. The reversal of 40277249 is 94277204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32126224 + 8151025 = 5668^2 + 2855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40277249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40277243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20138624 + 20138625.

It is an arithmetic number, because the mean of its divisors is an integer number (20138625).

Almost surely, 2^40277249 is an apocalyptic number.

It is an amenable number.

40277249 is a deficient number, since it is larger than the sum of its proper divisors (1).

40277249 is an equidigital number, since it uses as much as digits as its factorization.

40277249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 40277249 is about 6346.4359289289. The cubic root of 40277249 is about 342.7835193023.

The spelling of 40277249 in words is "forty million, two hundred seventy-seven thousand, two hundred forty-nine".