40200734447 has 2 divisors, whose sum is σ = 40200734448. Its totient is φ = 40200734446.

The previous prime is 40200734429. The next prime is 40200734461. The reversal of 40200734447 is 74443700204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40200734447 - 2¹⁸ = 40200472303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40200734407) 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, 20100367223 + 20100367224.

It is an arithmetic number, because the mean of its divisors is an integer number (20100367224).

Almost surely, 2^40200734447 is an apocalyptic number.

40200734447 is a deficient number, since it is larger than the sum of its proper divisors (1).

40200734447 is an equidigital number, since it uses as much as digits as its factorization.

40200734447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 35.

The spelling of 40200734447 in words is "forty billion, two hundred million, seven hundred thirty-four thousand, four hundred forty-seven".