40534309951 has 2 divisors, whose sum is σ = 40534309952. Its totient is φ = 40534309950.

The previous prime is 40534309939. The next prime is 40534310021. The reversal of 40534309951 is 15990343504.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40534309951 - 2²³ = 40525921343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40534309898 and 40534309907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40534009951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20267154975 + 20267154976.

It is an arithmetic number, because the mean of its divisors is an integer number (20267154976).

Almost surely, 2^40534309951 is an apocalyptic number.

40534309951 is a deficient number, since it is larger than the sum of its proper divisors (1).

40534309951 is an equidigital number, since it uses as much as digits as its factorization.

40534309951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 40534309951 in words is "forty billion, five hundred thirty-four million, three hundred nine thousand, nine hundred fifty-one".