4890709640 has 32 divisors (see below), whose sum is σ = 11383551000. Its totient is φ = 1888825344.

The previous prime is 4890709633. The next prime is 4890709667. The reversal of 4890709640 is 469070984.

It can be written as a sum of positive squares in 4 ways, for example, as 3726125764 + 1164583876 = 61042^2 + 34126^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2106905 + ... + 2109224.

Almost surely, 2^4890709640 is an apocalyptic number.

4890709640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4890709640 is an abundant number, since it is smaller than the sum of its proper divisors (6492841360).

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

4890709640 is a wasteful number, since it uses less digits than its factorization.

4890709640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216169 (or 4216165 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 4890709640 is about 69933.6088014911. The cubic root of 4890709640 is about 1697.4251262051.

The spelling of 4890709640 in words is "four billion, eight hundred ninety million, seven hundred nine thousand, six hundred forty".