400040324010342 has 24 divisors (see below), whose sum is σ = 866754698639544. Its totient is φ = 133346672626464.

The previous prime is 400040324010317. The next prime is 400040324010401. The reversal of 400040324010342 is 243010423040004.

It is a happy number.

400040324010342 is a `hidden beast` number, since 4 + 0 + 0 + 0 + 403 + 240 + 10 + 3 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17884633 + ... + 33465515.

It is an arithmetic number, because the mean of its divisors is an integer number (36114779109981).

Almost surely, 2^{400040324010342} is an apocalyptic number.

400040324010342 is an abundant number, since it is smaller than the sum of its proper divisors (466714374629202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400040324010342 is a wasteful number, since it uses less digits than its factorization.

400040324010342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17007284 (or 17007281 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 400040324010342 its reverse (243010423040004), we get a palindrome (643050747050346).

The spelling of 400040324010342 in words is "four hundred trillion, forty billion, three hundred twenty-four million, ten thousand, three hundred forty-two".