40307446547 has 2 divisors, whose sum is σ = 40307446548. Its totient is φ = 40307446546.

The previous prime is 40307446499. The next prime is 40307446549. The reversal of 40307446547 is 74564470304.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40307446547 is a prime.

Together with 40307446549, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40307446498 and 40307446507.

It is not a weakly prime, because it can be changed into another prime (40307446549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20153723273 + 20153723274.

It is an arithmetic number, because the mean of its divisors is an integer number (20153723274).

Almost surely, 2^40307446547 is an apocalyptic number.

40307446547 is a deficient number, since it is larger than the sum of its proper divisors (1).

40307446547 is an equidigital number, since it uses as much as digits as its factorization.

40307446547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 44.

The spelling of 40307446547 in words is "forty billion, three hundred seven million, four hundred forty-six thousand, five hundred forty-seven".