10405040631 has 4 divisors (see below), whose sum is σ = 13873387512. Its totient is φ = 6936693752.

The previous prime is 10405040629. The next prime is 10405040647. The reversal of 10405040631 is 13604050401.

10405040631 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, and also an emirpimes, since its reverse is a distinct semiprime: 13604050401 = 3 ⋅4534683467.

It is a cyclic number.

It is not a de Polignac number, because 10405040631 - 2¹ = 10405040629 is a prime.

It is a super-2 number, since 2×10405040631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10405040431) 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 in 3 ways as a sum of consecutive naturals, for example, 1734173436 + ... + 1734173441.

It is an arithmetic number, because the mean of its divisors is an integer number (3468346878).

Almost surely, 2^10405040631 is an apocalyptic number.

10405040631 is a deficient number, since it is larger than the sum of its proper divisors (3468346881).

10405040631 is an equidigital number, since it uses as much as digits as its factorization.

10405040631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468346880.

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 10405040631 in words is "ten billion, four hundred five million, forty thousand, six hundred thirty-one".