4179489720 has 128 divisors (see below), whose sum is σ = 14342538240. Its totient is φ = 954455040.

The previous prime is 4179489673. The next prime is 4179489757. The reversal of 4179489720 is 279849714.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1807365 + ... + 1809675.

It is an arithmetic number, because the mean of its divisors is an integer number (112051080).

Almost surely, 2^4179489720 is an apocalyptic number.

4179489720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4179489720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7171269120).

4179489720 is an abundant number, since it is smaller than the sum of its proper divisors (10163048520).

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

4179489720 is a wasteful number, since it uses less digits than its factorization.

4179489720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485 (or 4481 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 4179489720 is about 64648.9730776909. The cubic root of 4179489720 is about 1610.7980200833.

The spelling of 4179489720 in words is "four billion, one hundred seventy-nine million, four hundred eighty-nine thousand, seven hundred twenty".