4609778488 has 96 divisors (see below), whose sum is σ = 10275431040. Its totient is φ = 1932638400.

The previous prime is 4609778483. The next prime is 4609778489. The reversal of 4609778488 is 8848779064.

It is a super-2 number, since 2×4609778488² = 42500115416855132288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4609778483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4385563 + ... + 4386613.

It is an arithmetic number, because the mean of its divisors is an integer number (107035740).

Almost surely, 2^4609778488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4609778488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5137715520).

4609778488 is an abundant number, since it is smaller than the sum of its proper divisors (5665652552).

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

4609778488 is a wasteful number, since it uses less digits than its factorization.

4609778488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 61.

The square root of 4609778488 is about 67895.3495314664. The cubic root of 4609778488 is about 1664.2811167913.

The spelling of 4609778488 in words is "four billion, six hundred nine million, seven hundred seventy-eight thousand, four hundred eighty-eight".