4603568640 has 160 divisors (see below), whose sum is σ = 16055240256. Its totient is φ = 1115996160.

The previous prime is 4603568581. The next prime is 4603568647. The reversal of 4603568640 is 468653064.

It is a tau number, because it is divible by the number of its divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 4603568592 and 4603568601.

It is not an unprimeable number, because it can be changed into a prime (4603568647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57234 + ... + 111726.

Almost surely, 2^4603568640 is an apocalyptic number.

4603568640 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 4603568640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8027620128).

4603568640 is an abundant number, since it is smaller than the sum of its proper divisors (11451671616).

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

4603568640 is a wasteful number, since it uses less digits than its factorization.

4603568640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54530 (or 54514 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 4603568640 is about 67849.6030939017. The cubic root of 4603568640 is about 1663.5334614171.

It can be divided in two parts, 460356 and 8640, that added together give a triangular number (468996 = T₉₆₈).

The spelling of 4603568640 in words is "four billion, six hundred three million, five hundred sixty-eight thousand, six hundred forty".