400424200024 has 16 divisors (see below), whose sum is σ = 790310921400. Its totient is φ = 189674620992.

The previous prime is 400424200013. The next prime is 400424200031. The reversal of 400424200024 is 420002424004.

It is a junction number, because it is equal to n+sod(n) for n = 400424199968 and 400424200004.

It is a congruent number.

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, 1317184717 + ... + 1317185020.

Almost surely, 2^400424200024 is an apocalyptic number.

It is an amenable number.

400424200024 is a deficient number, since it is larger than the sum of its proper divisors (389886721376).

400424200024 is a wasteful number, since it uses less digits than its factorization.

400424200024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634369762 (or 2634369758 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 400424200024 its reverse (420002424004), we get a palindrome (820426624028).

The spelling of 400424200024 in words is "four hundred billion, four hundred twenty-four million, two hundred thousand, twenty-four".