4440147420 has 48 divisors (see below), whose sum is σ = 12542453280. Its totient is φ = 1173559296.

The previous prime is 4440147389. The next prime is 4440147421. The reversal of 4440147420 is 247410444.

It is a super-2 number, since 2×4440147420² = 39429818222665312800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

4440147420 is a modest number, since divided by 147420 gives 4440 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440147421) 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, 320665 + ... + 334224.

It is an arithmetic number, because the mean of its divisors is an integer number (261301110).

Almost surely, 2^4440147420 is an apocalyptic number.

It is an amenable number.

4440147420 is an abundant number, since it is smaller than the sum of its proper divisors (8102305860).

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

4440147420 is a wasteful number, since it uses less digits than its factorization.

4440147420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655014 (or 655012 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 30.

The square root of 4440147420 is about 66634.4311898886. The cubic root of 4440147420 is about 1643.6113433524.

Adding to 4440147420 its reverse (247410444), we get a palindrome (4687557864).

The spelling of 4440147420 in words is "four billion, four hundred forty million, one hundred forty-seven thousand, four hundred twenty".