4591703640 has 128 divisors (see below), whose sum is σ = 13932414720. Its totient is φ = 1210560000.

The previous prime is 4591703579. The next prime is 4591703651. The reversal of 4591703640 is 463071954.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4728355 + ... + 4729325.

It is an arithmetic number, because the mean of its divisors is an integer number (108846990).

Almost surely, 2^4591703640 is an apocalyptic number.

4591703640 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 4591703640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6966207360).

4591703640 is an abundant number, since it is smaller than the sum of its proper divisors (9340711080).

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

4591703640 is a wasteful number, since it uses less digits than its factorization.

4591703640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 4591703640 is about 67762.1106518975. The cubic root of 4591703640 is about 1662.1030634317.

The spelling of 4591703640 in words is "four billion, five hundred ninety-one million, seven hundred three thousand, six hundred forty".