400433231024 has 20 divisors (see below), whose sum is σ = 776003453136. Its totient is φ = 200174275392.

The previous prime is 400433230987. The next prime is 400433231041. The reversal of 400433231024 is 420132334004.

It is a junction number, because it is equal to n+sod(n) for n = 400433230984 and 400433231002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2568164 + ... + 2719619.

Almost surely, 2^400433231024 is an apocalyptic number.

It is an amenable number.

400433231024 is a deficient number, since it is larger than the sum of its proper divisors (375570222112).

400433231024 is a wasteful number, since it uses less digits than its factorization.

400433231024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292524 (or 5292518 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 400433231024 its reverse (420132334004), we get a palindrome (820565565028).

The spelling of 400433231024 in words is "four hundred billion, four hundred thirty-three million, two hundred thirty-one thousand, twenty-four".