40347662046557 has 2 divisors, whose sum is σ = 40347662046558. Its totient is φ = 40347662046556.

The previous prime is 40347662046481. The next prime is 40347662046599. The reversal of 40347662046557 is 75564026674304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35677075434841 + 4670586611716 = 5973029^2 + 2161154^2 .

It is a cyclic number.

It is not a de Polignac number, because 40347662046557 - 2¹² = 40347662042461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40347662046496 and 40347662046505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40347662040557) 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, 20173831023278 + 20173831023279.

It is an arithmetic number, because the mean of its divisors is an integer number (20173831023279).

Almost surely, 2^{40347662046557} is an apocalyptic number.

It is an amenable number.

40347662046557 is a deficient number, since it is larger than the sum of its proper divisors (1).

40347662046557 is an equidigital number, since it uses as much as digits as its factorization.

40347662046557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 101606400, while the sum is 59.

The spelling of 40347662046557 in words is "forty trillion, three hundred forty-seven billion, six hundred sixty-two million, forty-six thousand, five hundred fifty-seven".