40652727521641 has 2 divisors, whose sum is σ = 40652727521642. Its totient is φ = 40652727521640.

The previous prime is 40652727521617. The next prime is 40652727521701. The reversal of 40652727521641 is 14612572725604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23302970109225 + 17349757412416 = 4827315^2 + 4165304^2 .

It is a cyclic number.

It is not a de Polignac number, because 40652727521641 - 2²¹ = 40652725424489 is a prime.

It is not a weakly prime, because it can be changed into another prime (40652727521611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20326363760820 + 20326363760821.

It is an arithmetic number, because the mean of its divisors is an integer number (20326363760821).

Almost surely, 2^{40652727521641} is an apocalyptic number.

It is an amenable number.

40652727521641 is a deficient number, since it is larger than the sum of its proper divisors (1).

40652727521641 is an equidigital number, since it uses as much as digits as its factorization.

40652727521641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 40652727521641 in words is "forty trillion, six hundred fifty-two billion, seven hundred twenty-seven million, five hundred twenty-one thousand, six hundred forty-one".