4839370640 has 80 divisors (see below), whose sum is σ = 12345803568. Its totient is φ = 1753110528.

The previous prime is 4839370583. The next prime is 4839370649. The reversal of 4839370640 is 460739384.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 32444416 + 4806926224 = 5696^2 + 69332^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 4839370591 and 4839370600.

It is not an unprimeable number, because it can be changed into a prime (4839370649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11222 + ... + 99018.

Almost surely, 2^4839370640 is an apocalyptic number.

4839370640 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 4839370640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6172901784).

4839370640 is an abundant number, since it is smaller than the sum of its proper divisors (7506432928).

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

4839370640 is a wasteful number, since it uses less digits than its factorization.

4839370640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87876 (or 87870 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 4839370640 is about 69565.5851696800. The cubic root of 4839370640 is about 1691.4647898204.

The spelling of 4839370640 in words is "four billion, eight hundred thirty-nine million, three hundred seventy thousand, six hundred forty".