400233434452 has 24 divisors (see below), whose sum is σ = 701494869600. Its totient is φ = 199806438816.

The previous prime is 400233434443. The next prime is 400233434501. The reversal of 400233434452 is 254434332004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20028738 + ... + 20048710.

It is an arithmetic number, because the mean of its divisors is an integer number (29228952900).

Almost surely, 2^400233434452 is an apocalyptic number.

It is an amenable number.

400233434452 is a deficient number, since it is larger than the sum of its proper divisors (301261435148).

400233434452 is a wasteful number, since it uses less digits than its factorization.

400233434452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27495 (or 27493 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 400233434452 its reverse (254434332004), we get a palindrome (654667766456).

The spelling of 400233434452 in words is "four hundred billion, two hundred thirty-three million, four hundred thirty-four thousand, four hundred fifty-two".