40270849 has 2 divisors, whose sum is σ = 40270850. Its totient is φ = 40270848.

The previous prime is 40270847. The next prime is 40270927. The reversal of 40270849 is 94807204.

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., 37271025 + 2999824 = 6105^2 + 1732^2 .

It is a cyclic number.

It is not a de Polignac number, because 40270849 - 2¹ = 40270847 is a prime.

Together with 40270847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40270847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20135424 + 20135425.

It is an arithmetic number, because the mean of its divisors is an integer number (20135425).

Almost surely, 2^40270849 is an apocalyptic number.

It is an amenable number.

40270849 is a deficient number, since it is larger than the sum of its proper divisors (1).

40270849 is an equidigital number, since it uses as much as digits as its factorization.

40270849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 40270849 is about 6345.9316888854. The cubic root of 40270849 is about 342.7653623958.

The spelling of 40270849 in words is "forty million, two hundred seventy thousand, eight hundred forty-nine".