40254424247 has 2 divisors, whose sum is σ = 40254424248. Its totient is φ = 40254424246.

The previous prime is 40254424201. The next prime is 40254424277. The reversal of 40254424247 is 74242445204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40254424247 - 2⁶ = 40254424183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40254424247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40254424277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20127212123 + 20127212124.

It is an arithmetic number, because the mean of its divisors is an integer number (20127212124).

Almost surely, 2^40254424247 is an apocalyptic number.

40254424247 is a deficient number, since it is larger than the sum of its proper divisors (1).

40254424247 is an equidigital number, since it uses as much as digits as its factorization.

40254424247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 286720, while the sum is 38.

The spelling of 40254424247 in words is "forty billion, two hundred fifty-four million, four hundred twenty-four thousand, two hundred forty-seven".