4400121213224 has 64 divisors (see below), whose sum is σ = 9244664654400. Its totient is φ = 1945753920000.

The previous prime is 4400121213197. The next prime is 4400121213269. The reversal of 4400121213224 is 4223121210044.

It is a super-2 number, since 2×4400121213224² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4400121213193 and 4400121213202.

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 15 ways as a sum of consecutive naturals, for example, 27038099 + ... + 27200349.

It is an arithmetic number, because the mean of its divisors is an integer number (144447885225).

Almost surely, 2^{4400121213224} is an apocalyptic number.

4400121213224 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4400121213224 is an abundant number, since it is smaller than the sum of its proper divisors (4844543441176).

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

4400121213224 is a wasteful number, since it uses less digits than its factorization.

4400121213224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170634 (or 170630 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 4400121213224 its reverse (4223121210044), we get a palindrome (8623242423268).

The spelling of 4400121213224 in words is "four trillion, four hundred billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred twenty-four".