4443402021234 has 48 divisors (see below), whose sum is σ = 9768575466720. Its totient is φ = 1346425432000.

The previous prime is 4443402021229. The next prime is 4443402021257. The reversal of 4443402021234 is 4321202043444.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 4443402021195 and 4443402021204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17778334 + ... + 18026534.

It is an arithmetic number, because the mean of its divisors is an integer number (203511988890).

Almost surely, 2^{4443402021234} is an apocalyptic number.

4443402021234 is an abundant number, since it is smaller than the sum of its proper divisors (5325173445486).

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

4443402021234 is a wasteful number, since it uses less digits than its factorization.

4443402021234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272887 (or 272876 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 4443402021234 its reverse (4321202043444), we get a palindrome (8764604064678).

The spelling of 4443402021234 in words is "four trillion, four hundred forty-three billion, four hundred two million, twenty-one thousand, two hundred thirty-four".