4940489646 has 32 divisors (see below), whose sum is σ = 11624683680. Its totient is φ = 1549957248.

The previous prime is 4940489633. The next prime is 4940489681. The reversal of 4940489646 is 6469840494.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4940489592 and 4940489601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2689981 + ... + 2691816.

It is an arithmetic number, because the mean of its divisors is an integer number (363271365).

Almost surely, 2^4940489646 is an apocalyptic number.

4940489646 is an abundant number, since it is smaller than the sum of its proper divisors (6684194034).

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

4940489646 is a wasteful number, since it uses less digits than its factorization.

4940489646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5381825 (or 5381819 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The square root of 4940489646 is about 70288.6167597571. The cubic root of 4940489646 is about 1703.1647674696.

The spelling of 4940489646 in words is "four billion, nine hundred forty million, four hundred eighty-nine thousand, six hundred forty-six".