220400044424 has 32 divisors (see below), whose sum is σ = 472309574400. Its totient is φ = 94452408960.

The previous prime is 220400044411. The next prime is 220400044451. The reversal of 220400044424 is 424440004022.

It is a junction number, because it is equal to n+sod(n) for n = 220400044393 and 220400044402.

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, 1167089 + ... + 1342719.

It is an arithmetic number, because the mean of its divisors is an integer number (14759674200).

Almost surely, 2^220400044424 is an apocalyptic number.

It is an amenable number.

220400044424 is an abundant number, since it is smaller than the sum of its proper divisors (251909529976).

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

220400044424 is a wasteful number, since it uses less digits than its factorization.

220400044424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198053 (or 198049 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 220400044424 its reverse (424440004022), we get a palindrome (644840048446).

The spelling of 220400044424 in words is "two hundred twenty billion, four hundred million, forty-four thousand, four hundred twenty-four".