400310430026 has 16 divisors (see below), whose sum is σ = 657256219368. Its totient is φ = 181729828800.

The previous prime is 400310430017. The next prime is 400310430029. The reversal of 400310430026 is 620034013004.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 46267579801 + 354042850225 = 215099^2 + 595015^2 .

It is a junction number, because it is equal to n+sod(n) for n = 400310429983 and 400310430010.

It is not an unprimeable number, because it can be changed into a prime (400310430029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126199685 + ... + 126202856.

Almost surely, 2^400310430026 is an apocalyptic number.

400310430026 is a deficient number, since it is larger than the sum of its proper divisors (256945789342).

400310430026 is a wasteful number, since it uses less digits than its factorization.

400310430026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252402617.

The product of its (nonzero) digits is 1728, while the sum is 23.

The spelling of 400310430026 in words is "four hundred billion, three hundred ten million, four hundred thirty thousand, twenty-six".