40017554563741 has 2 divisors, whose sum is σ = 40017554563742. Its totient is φ = 40017554563740.

The previous prime is 40017554563697. The next prime is 40017554563771. The reversal of 40017554563741 is 14736545571004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39819204580516 + 198349983225 = 6310246^2 + 445365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40017554563741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40017554563771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20008777281870 + 20008777281871.

It is an arithmetic number, because the mean of its divisors is an integer number (20008777281871).

Almost surely, 2^{40017554563741} is an apocalyptic number.

It is an amenable number.

40017554563741 is a deficient number, since it is larger than the sum of its proper divisors (1).

40017554563741 is an equidigital number, since it uses as much as digits as its factorization.

40017554563741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056000, while the sum is 52.

The spelling of 40017554563741 in words is "forty trillion, seventeen billion, five hundred fifty-four million, five hundred sixty-three thousand, seven hundred forty-one".