40064663201 has 6 divisors (see below), whose sum is σ = 40636907106. Its totient is φ = 39500367200.

The previous prime is 40064663141. The next prime is 40064663213. The reversal of 40064663201 is 10236646004.

It can be written as a sum of positive squares in only one way, i.e., 24732280225 + 15332382976 = 157265^2 + 123824^2 .

It is not a de Polignac number, because 40064663201 - 2¹⁰ = 40064662177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40064663701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3968840 + ... + 3978921.

It is an arithmetic number, because the mean of its divisors is an integer number (6772817851).

Almost surely, 2^40064663201 is an apocalyptic number.

It is an amenable number.

40064663201 is a deficient number, since it is larger than the sum of its proper divisors (572243905).

40064663201 is an frugal number, since it uses more digits than its factorization.

40064663201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947903 (or 7947832 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 40064663201 in words is "forty billion, sixty-four million, six hundred sixty-three thousand, two hundred one".