4677449840 has 160 divisors (see below), whose sum is σ = 12744124800. Its totient is φ = 1595897856.

The previous prime is 4677449813. The next prime is 4677449857. The reversal of 4677449840 is 489447764.

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, 10234892 + ... + 10235348.

It is an arithmetic number, because the mean of its divisors is an integer number (79650780).

Almost surely, 2^4677449840 is an apocalyptic number.

4677449840 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 4677449840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6372062400).

4677449840 is an abundant number, since it is smaller than the sum of its proper divisors (8066674960).

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

4677449840 is a wasteful number, since it uses less digits than its factorization.

4677449840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 53.

The square root of 4677449840 is about 68391.8843138570. The cubic root of 4677449840 is about 1672.3854467998.

The spelling of 4677449840 in words is "four billion, six hundred seventy-seven million, four hundred forty-nine thousand, eight hundred forty".