4428021480 has 32 divisors (see below), whose sum is σ = 13284064800. Its totient is φ = 1180805696.

The previous prime is 4428021473. The next prime is 4428021487. The reversal of 4428021480 is 841208244.

It is an interprime number because it is at equal distance from previous prime (4428021473) and next prime (4428021487).

It is not an unprimeable number, because it can be changed into a prime (4428021487) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18449970 + ... + 18450209.

It is an arithmetic number, because the mean of its divisors is an integer number (415127025).

Almost surely, 2^4428021480 is an apocalyptic number.

4428021480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4428021480 is an abundant number, since it is smaller than the sum of its proper divisors (8856043320).

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

4428021480 is a wasteful number, since it uses less digits than its factorization.

4428021480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36900193 (or 36900189 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 4428021480 is about 66543.3804371254. The cubic root of 4428021480 is about 1642.1137577007.

The spelling of 4428021480 in words is "four billion, four hundred twenty-eight million, twenty-one thousand, four hundred eighty".