4428021479 has 16 divisors (see below), whose sum is σ = 5290705920. Its totient is φ = 3630357720.

The previous prime is 4428021473. The next prime is 4428021487. The reversal of 4428021479 is 9741208244.

It is not a de Polignac number, because 4428021479 - 2¹² = 4428017383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4428021473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59174 + ... + 111164.

It is an arithmetic number, because the mean of its divisors is an integer number (330669120).

Almost surely, 2^4428021479 is an apocalyptic number.

4428021479 is a deficient number, since it is larger than the sum of its proper divisors (862684441).

4428021479 is an frugal number, since it uses more digits than its factorization.

4428021479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52067 (or 52021 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 4428021479 is about 66543.3804296115. The cubic root of 4428021479 is about 1642.1137575771.

The spelling of 4428021479 in words is "four billion, four hundred twenty-eight million, twenty-one thousand, four hundred seventy-nine".