400004452424 has 32 divisors (see below), whose sum is σ = 794158214400. Its totient is φ = 188229868800.

The previous prime is 400004452403. The next prime is 400004452469. The reversal of 400004452424 is 424254400004.

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, 4875857 + ... + 4957215.

It is an arithmetic number, because the mean of its divisors is an integer number (24817444200).

Almost surely, 2^400004452424 is an apocalyptic number.

It is an amenable number.

400004452424 is a deficient number, since it is larger than the sum of its proper divisors (394153761976).

400004452424 is a wasteful number, since it uses less digits than its factorization.

400004452424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117533 (or 117529 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 400004452424 its reverse (424254400004), we get a palindrome (824258852428).

The spelling of 400004452424 in words is "four hundred billion, four million, four hundred fifty-two thousand, four hundred twenty-four".