40334457302647 has 2 divisors, whose sum is σ = 40334457302648. Its totient is φ = 40334457302646.

The previous prime is 40334457302609. The next prime is 40334457302687. The reversal of 40334457302647 is 74620375443304.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40334457302647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40334457302594 and 40334457302603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40334457302687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20167228651323 + 20167228651324.

It is an arithmetic number, because the mean of its divisors is an integer number (20167228651324).

Almost surely, 2^{40334457302647} is an apocalyptic number.

40334457302647 is a deficient number, since it is larger than the sum of its proper divisors (1).

40334457302647 is an equidigital number, since it uses as much as digits as its factorization.

40334457302647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20321280, while the sum is 52.

The spelling of 40334457302647 in words is "forty trillion, three hundred thirty-four billion, four hundred fifty-seven million, three hundred two thousand, six hundred forty-seven".