40400673366701 has 4 divisors (see below), whose sum is σ = 40406388563100. Its totient is φ = 40394958170304.

The previous prime is 40400673366679. The next prime is 40400673366709. The reversal of 40400673366701 is 10766337600404.

40400673366701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6180817515625 + 34219855851076 = 2486125^2 + 5849774^2 .

It is a cyclic number.

It is not a de Polignac number, because 40400673366701 - 2²² = 40400669172397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400673366709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2857587596 + ... + 2857601733.

It is an arithmetic number, because the mean of its divisors is an integer number (10101597140775).

Almost surely, 2^{40400673366701} is an apocalyptic number.

It is an amenable number.

40400673366701 is a deficient number, since it is larger than the sum of its proper divisors (5715196399).

40400673366701 is an equidigital number, since it uses as much as digits as its factorization.

40400673366701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715196398.

The product of its (nonzero) digits is 1524096, while the sum is 47.

The spelling of 40400673366701 in words is "forty trillion, four hundred billion, six hundred seventy-three million, three hundred sixty-six thousand, seven hundred one".