40050947 has 2 divisors, whose sum is σ = 40050948. Its totient is φ = 40050946.

The previous prime is 40050919. The next prime is 40050949. The reversal of 40050947 is 74905004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40050947 - 2⁶ = 40050883 is a prime.

Together with 40050949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40050949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20025473 + 20025474.

It is an arithmetic number, because the mean of its divisors is an integer number (20025474).

Almost surely, 2^40050947 is an apocalyptic number.

40050947 is a deficient number, since it is larger than the sum of its proper divisors (1).

40050947 is an equidigital number, since it uses as much as digits as its factorization.

40050947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 40050947 is about 6328.5817526520. The cubic root of 40050947 is about 342.1403246420.

The spelling of 40050947 in words is "forty million, fifty thousand, nine hundred forty-seven".