400200220424 has 32 divisors (see below), whose sum is σ = 790083616800. Its totient is φ = 189516983040.

The previous prime is 400200220421. The next prime is 400200220457. The reversal of 400200220424 is 424022002004.

It is a junction number, because it is equal to n+sod(n) for n = 400200220396 and 400200220405.

It is not an unprimeable number, because it can be changed into a prime (400200220421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205859 + ... + 918029.

It is an arithmetic number, because the mean of its divisors is an integer number (24690113025).

Almost surely, 2^400200220424 is an apocalyptic number.

It is an amenable number.

400200220424 is a deficient number, since it is larger than the sum of its proper divisors (389883396376).

400200220424 is a wasteful number, since it uses less digits than its factorization.

400200220424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715893 (or 715889 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 400200220424 its reverse (424022002004), we get a palindrome (824222222428).

The spelling of 400200220424 in words is "four hundred billion, two hundred million, two hundred twenty thousand, four hundred twenty-four".