4482678640 has 80 divisors (see below), whose sum is σ = 11381459040. Its totient is φ = 1628380160.

The previous prime is 4482678631. The next prime is 4482678653. The reversal of 4482678640 is 468762844.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121766 + ... + 1125754.

It is an arithmetic number, because the mean of its divisors is an integer number (142268238).

Almost surely, 2^4482678640 is an apocalyptic number.

4482678640 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 4482678640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5690729520).

4482678640 is an abundant number, since it is smaller than the sum of its proper divisors (6898780400).

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

4482678640 is a wasteful number, since it uses less digits than its factorization.

4482678640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290 (or 5284 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 49.

The square root of 4482678640 is about 66952.8090523467. The cubic root of 4482678640 is about 1648.8426092147.

The spelling of 4482678640 in words is "four billion, four hundred eighty-two million, six hundred seventy-eight thousand, six hundred forty".