4421100042 has 20 divisors (see below), whose sum is σ = 9906539346. Its totient is φ = 1473699960.

The previous prime is 4421100001. The next prime is 4421100097. The reversal of 4421100042 is 2400011244.

It can be written as a sum of positive squares in only one way, i.e., 3163050081 + 1258049961 = 56241^2 + 35469^2 .

It is a super-2 number, since 2×4421100042² = 39092251162744803528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4421099988 and 4421100024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13645209 + ... + 13645532.

Almost surely, 2^4421100042 is an apocalyptic number.

4421100042 is an abundant number, since it is smaller than the sum of its proper divisors (5485439304).

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

4421100042 is a wasteful number, since it uses less digits than its factorization.

4421100042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27290755 (or 27290746 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4421100042 is about 66491.3531370809. The cubic root of 4421100042 is about 1641.2577158082.

Adding to 4421100042 its reverse (2400011244), we get a palindrome (6821111286).

The spelling of 4421100042 in words is "four billion, four hundred twenty-one million, one hundred thousand, forty-two".