2140347648 has 72 divisors (see below), whose sum is σ = 5706439200. Its totient is φ = 712198144.

The previous prime is 2140347619. The next prime is 2140347667. The reversal of 2140347648 is 8467430412.

It is a congruent number.

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, 503998 + ... + 508226.

It is an arithmetic number, because the mean of its divisors is an integer number (79256100).

Almost surely, 2^2140347648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2140347648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2853219600).

2140347648 is an abundant number, since it is smaller than the sum of its proper divisors (3566091552).

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

2140347648 is an equidigital number, since it uses as much as digits as its factorization.

2140347648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4907 (or 4893 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 2140347648 is about 46263.8914057173. The cubic root of 2140347648 is about 1288.7285206382.

The spelling of 2140347648 in words is "two billion, one hundred forty million, three hundred forty-seven thousand, six hundred forty-eight".