4221441023436 has 144 divisors (see below), whose sum is σ = 13143035750208. Its totient is φ = 1112527872000.

The previous prime is 4221441023411. The next prime is 4221441023479. The reversal of 4221441023436 is 6343201441224.

4221441023436 is a `hidden beast` number, since 4 + 2 + 2 + 1 + 4 + 410 + 234 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4221441023436.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3985236 + ... + 4932036.

Almost surely, 2^{4221441023436} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4221441023436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6571517875104).

4221441023436 is an abundant number, since it is smaller than the sum of its proper divisors (8921594726772).

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

4221441023436 is a wasteful number, since it uses less digits than its factorization.

4221441023436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948192 (or 948187 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 4221441023436 in words is "four trillion, two hundred twenty-one billion, four hundred forty-one million, twenty-three thousand, four hundred thirty-six".