4443121242 has 32 divisors (see below), whose sum is σ = 11284118400. Its totient is φ = 1269463104.

The previous prime is 4443121219. The next prime is 4443121259. The reversal of 4443121242 is 2421213444.

4443121242 is a `hidden beast` number, since 4 + 443 + 1 + 212 + 4 + 2 = 666.

It is a super-2 number, since 2×4443121242² = 39482652742223245128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5876767 + ... + 5877522.

It is an arithmetic number, because the mean of its divisors is an integer number (352628700).

Almost surely, 2^4443121242 is an apocalyptic number.

4443121242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4443121242 is an abundant number, since it is smaller than the sum of its proper divisors (6840997158).

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

4443121242 is a wasteful number, since it uses less digits than its factorization.

4443121242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11754307 (or 11754301 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 4443121242 is about 66656.7419095773. The cubic root of 4443121242 is about 1643.9782017995.

Adding to 4443121242 its reverse (2421213444), we get a palindrome (6864334686).

The spelling of 4443121242 in words is "four billion, four hundred forty-three million, one hundred twenty-one thousand, two hundred forty-two".