40248664037401 has 2 divisors, whose sum is σ = 40248664037402. Its totient is φ = 40248664037400.

The previous prime is 40248664037363. The next prime is 40248664037567. The reversal of 40248664037401 is 10473046684204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39998338931776 + 250325105625 = 6324424^2 + 500325^2 .

It is a cyclic number.

It is not a de Polignac number, because 40248664037401 - 2⁷ = 40248664037273 is a prime.

It is not a weakly prime, because it can be changed into another prime (40248664034401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20124332018700 + 20124332018701.

It is an arithmetic number, because the mean of its divisors is an integer number (20124332018701).

Almost surely, 2^{40248664037401} is an apocalyptic number.

It is an amenable number.

40248664037401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40248664037401 is an equidigital number, since it uses as much as digits as its factorization.

40248664037401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3096576, while the sum is 49.

The spelling of 40248664037401 in words is "forty trillion, two hundred forty-eight billion, six hundred sixty-four million, thirty-seven thousand, four hundred one".