4720445440 has 48 divisors (see below), whose sum is σ = 11326327740. Its totient is φ = 1888174080.

The previous prime is 4720445417. The next prime is 4720445441. The reversal of 4720445440 is 445440274.

It can be written as a sum of positive squares in 2 ways, for example, as 4400464896 + 319980544 = 66336^2 + 17888^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4720445396 and 4720445405.

It is not an unprimeable number, because it can be changed into a prime (4720445441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220251 + ... + 240730.

Almost surely, 2^4720445440 is an apocalyptic number.

4720445440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4720445440 is an abundant number, since it is smaller than the sum of its proper divisors (6605882300).

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

4720445440 is an equidigital number, since it uses as much as digits as its factorization.

4720445440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461008 (or 460988 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 34.

The square root of 4720445440 is about 68705.4978877237. The cubic root of 4720445440 is about 1677.4940719686.

The spelling of 4720445440 in words is "four billion, seven hundred twenty million, four hundred forty-five thousand, four hundred forty".