40660061102201 has 16 divisors (see below), whose sum is σ = 41058454744080. Its totient is φ = 40262361753600.

The previous prime is 40660061102197. The next prime is 40660061102231. The reversal of 40660061102201 is 10220116006604.

It can be written as a sum of positive squares in 8 ways, for example, as 15429773205625 + 25230287896576 = 3928075^2 + 5022976^2 .

It is a cyclic number.

It is not a de Polignac number, because 40660061102201 - 2² = 40660061102197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40660061102231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548023415 + ... + 548097603.

It is an arithmetic number, because the mean of its divisors is an integer number (2566153421505).

Almost surely, 2^{40660061102201} is an apocalyptic number.

It is an amenable number.

40660061102201 is a deficient number, since it is larger than the sum of its proper divisors (398393641879).

40660061102201 is a wasteful number, since it uses less digits than its factorization.

40660061102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78796.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 40660061102201 its reverse (10220116006604), we get a palindrome (50880177108805).

The spelling of 40660061102201 in words is "forty trillion, six hundred sixty billion, sixty-one million, one hundred two thousand, two hundred one".