40270847 has 2 divisors, whose sum is σ = 40270848. Its totient is φ = 40270846.

The previous prime is 40270817. The next prime is 40270849. The reversal of 40270847 is 74807204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40270847 - 2²² = 36076543 is a prime.

It is a super-2 number, since 2×40270847² = 3243482236194818, which contains 22 as substring.

Together with 40270849, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40270849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20135423 + 20135424.

It is an arithmetic number, because the mean of its divisors is an integer number (20135424).

Almost surely, 2^40270847 is an apocalyptic number.

40270847 is a deficient number, since it is larger than the sum of its proper divisors (1).

40270847 is an equidigital number, since it uses as much as digits as its factorization.

40270847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 40270847 is about 6345.9315313041. The cubic root of 40270847 is about 342.7653567215.

The spelling of 40270847 in words is "forty million, two hundred seventy thousand, eight hundred forty-seven".