40736535601 has 2 divisors, whose sum is σ = 40736535602. Its totient is φ = 40736535600.

The previous prime is 40736535589. The next prime is 40736535691. The reversal of 40736535601 is 10653563704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31844045601 + 8892490000 = 178449^2 + 94300^2 .

It is a cyclic number.

It is not a de Polignac number, because 40736535601 - 2⁷ = 40736535473 is a prime.

It is not a weakly prime, because it can be changed into another prime (40736535691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20368267800 + 20368267801.

It is an arithmetic number, because the mean of its divisors is an integer number (20368267801).

Almost surely, 2^40736535601 is an apocalyptic number.

It is an amenable number.

40736535601 is a deficient number, since it is larger than the sum of its proper divisors (1).

40736535601 is an equidigital number, since it uses as much as digits as its factorization.

40736535601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 40736535601 in words is "forty billion, seven hundred thirty-six million, five hundred thirty-five thousand, six hundred one".