4890740640 has 96 divisors (see below), whose sum is σ = 15420839616. Its totient is φ = 1302927360.

The previous prime is 4890740597. The next prime is 4890740653. The reversal of 4890740640 is 460470984.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 4890740592 and 4890740601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553860 + ... + 562620.

It is an arithmetic number, because the mean of its divisors is an integer number (160633746).

Almost surely, 2^4890740640 is an apocalyptic number.

4890740640 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 4890740640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7710419808).

4890740640 is an abundant number, since it is smaller than the sum of its proper divisors (10530098976).

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

4890740640 is a wasteful number, since it uses less digits than its factorization.

4890740640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9942 (or 9934 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 4890740640 is about 69933.8304399237. The cubic root of 4890740640 is about 1697.4287126014.

The spelling of 4890740640 in words is "four billion, eight hundred ninety million, seven hundred forty thousand, six hundred forty".