40400404034073 has 16 divisors (see below), whose sum is σ = 54789145286400. Its totient is φ = 26472781676240.

The previous prime is 40400404034009. The next prime is 40400404034093. The reversal of 40400404034073 is 37043040400404.

It is a cyclic number.

It is not a de Polignac number, because 40400404034073 - 2⁶ = 40400404034009 is a prime.

It is a super-2 number, since 2×40400404034073² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40400404034093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17529303 + ... + 19699676.

It is an arithmetic number, because the mean of its divisors is an integer number (3424321580400).

Almost surely, 2^{40400404034073} is an apocalyptic number.

It is an amenable number.

40400404034073 is a deficient number, since it is larger than the sum of its proper divisors (14388741252327).

40400404034073 is a wasteful number, since it uses less digits than its factorization.

40400404034073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37235172.

The product of its (nonzero) digits is 64512, while the sum is 33.

Adding to 40400404034073 its reverse (37043040400404), we get a palindrome (77443444434477).

The spelling of 40400404034073 in words is "forty trillion, four hundred billion, four hundred four million, thirty-four thousand, seventy-three".