40401104322673 has 4 divisors (see below), whose sum is σ = 40417819717860. Its totient is φ = 40384388927488.

The previous prime is 40401104322671. The next prime is 40401104322721. The reversal of 40401104322673 is 37622340110404.

40401104322673 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 31275195010929 + 9125909311744 = 5592423^2 + 3020912^2 .

It is a cyclic number.

It is not a de Polignac number, because 40401104322673 - 2¹ = 40401104322671 is a prime.

It is a super-2 number, since 2×40401104322673² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40401104322671) 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, 8357693968 + ... + 8357698801.

It is an arithmetic number, because the mean of its divisors is an integer number (10104454929465).

Almost surely, 2^{40401104322673} is an apocalyptic number.

It is an amenable number.

40401104322673 is a deficient number, since it is larger than the sum of its proper divisors (16715395187).

40401104322673 is a wasteful number, since it uses less digits than its factorization.

40401104322673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16715395186.

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 40401104322673 in words is "forty trillion, four hundred one billion, one hundred four million, three hundred twenty-two thousand, six hundred seventy-three".