40250047 has 2 divisors, whose sum is σ = 40250048. Its totient is φ = 40250046.

The previous prime is 40250029. The next prime is 40250071. The reversal of 40250047 is 74005204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40250047 - 2⁷ = 40249919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40250087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20125023 + 20125024.

It is an arithmetic number, because the mean of its divisors is an integer number (20125024).

Almost surely, 2^40250047 is an apocalyptic number.

40250047 is a deficient number, since it is larger than the sum of its proper divisors (1).

40250047 is an equidigital number, since it uses as much as digits as its factorization.

40250047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 40250047 is about 6344.2924743426. The cubic root of 40250047 is about 342.7063334845.

The spelling of 40250047 in words is "forty million, two hundred fifty thousand, forty-seven".