40013504001 has 6 divisors (see below), whose sum is σ = 57797283570. Its totient is φ = 26675669328.

The previous prime is 40013503889. The next prime is 40013504051. The reversal of 40013504001 is 10040531004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39962009025 + 51494976 = 199905^2 + 7176^2 .

It is not a de Polignac number, because 40013504001 - 2¹⁸ = 40013241857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40013504051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2222972436 + ... + 2222972453.

It is an arithmetic number, because the mean of its divisors is an integer number (9632880595).

Almost surely, 2^40013504001 is an apocalyptic number.

It is an amenable number.

40013504001 is a deficient number, since it is larger than the sum of its proper divisors (17783779569).

40013504001 is a wasteful number, since it uses less digits than its factorization.

40013504001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4445944895 (or 4445944892 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The spelling of 40013504001 in words is "forty billion, thirteen million, five hundred four thousand, one".