400024030432 has 24 divisors (see below), whose sum is σ = 848127873096. Its totient is φ = 184626475392.

The previous prime is 400024030421. The next prime is 400024030481. The reversal of 400024030432 is 234030420004.

It is a congruent number.

It is an unprimeable number.

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, 480797698 + ... + 480798529.

It is an arithmetic number, because the mean of its divisors is an integer number (35338661379).

Almost surely, 2^400024030432 is an apocalyptic number.

It is an amenable number.

400024030432 is an abundant number, since it is smaller than the sum of its proper divisors (448103842664).

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

400024030432 is a wasteful number, since it uses less digits than its factorization.

400024030432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961596250 (or 961596242 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 400024030432 its reverse (234030420004), we get a palindrome (634054450436).

The spelling of 400024030432 in words is "four hundred billion, twenty-four million, thirty thousand, four hundred thirty-two".