10400040047 has 2 divisors, whose sum is σ = 10400040048. Its totient is φ = 10400040046.

The previous prime is 10400040029. The next prime is 10400040097. The reversal of 10400040047 is 74004000401.

10400040047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10400040047 - 2²² = 10395845743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10400040097) 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 as a sum of consecutive naturals, namely, 5200020023 + 5200020024.

It is an arithmetic number, because the mean of its divisors is an integer number (5200020024).

Almost surely, 2^10400040047 is an apocalyptic number.

10400040047 is a deficient number, since it is larger than the sum of its proper divisors (1).

10400040047 is an equidigital number, since it uses as much as digits as its factorization.

10400040047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

Adding to 10400040047 its reverse (74004000401), we get a palindrome (84404040448).

The spelling of 10400040047 in words is "ten billion, four hundred million, forty thousand, forty-seven".