4500265644 has 144 divisors (see below), whose sum is σ = 13428979200. Its totient is φ = 1270009440.

The previous prime is 4500265639. The next prime is 4500265661. The reversal of 4500265644 is 4465620054.

4500265644 is a `hidden beast` number, since 4 + 5 + 0 + 0 + 2 + 6 + 5 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4500265599 and 4500265608.

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, 1022689 + ... + 1027079.

It is an arithmetic number, because the mean of its divisors is an integer number (93256800).

Almost surely, 2^4500265644 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 4500265644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6714489600).

4500265644 is an abundant number, since it is smaller than the sum of its proper divisors (8928713556).

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

4500265644 is a wasteful number, since it uses less digits than its factorization.

4500265644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505 (or 4486 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 4500265644 is about 67084.0192892465. The cubic root of 4500265644 is about 1650.9961103696.

Adding to 4500265644 its reverse (4465620054), we get a palindrome (8965885698).

The spelling of 4500265644 in words is "four billion, five hundred million, two hundred sixty-five thousand, six hundred forty-four".