4663088640 has 480 divisors, whose sum is σ = 19112258880. Its totient is φ = 1028063232.

The previous prime is 4663088621. The next prime is 4663088687. The reversal of 4663088640 is 468803664.

4663088640 is a `hidden beast` number, since 4 + 6 + 630 + 8 + 8 + 6 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4676622 + ... + 4677618.

It is an arithmetic number, because the mean of its divisors is an integer number (39817206).

Almost surely, 2^4663088640 is an apocalyptic number.

4663088640 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 4663088640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9556129440).

4663088640 is an abundant number, since it is smaller than the sum of its proper divisors (14449170240).

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

4663088640 is a wasteful number, since it uses less digits than its factorization.

4663088640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 4663088640 is about 68286.8116110278. The cubic root of 4663088640 is about 1670.6721140345.

The spelling of 4663088640 in words is "four billion, six hundred sixty-three million, eighty-eight thousand, six hundred forty".