2078644484 has 96 divisors (see below), whose sum is σ = 4445280000. Its totient is φ = 849015552.

The previous prime is 2078644483. The next prime is 2078644487. The reversal of 2078644484 is 4844468702.

It is not an unprimeable number, because it can be changed into a prime (2078644483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3540839 + ... + 3541425.

It is an arithmetic number, because the mean of its divisors is an integer number (46305000).

Almost surely, 2^2078644484 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 2078644484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2222640000).

2078644484 is an abundant number, since it is smaller than the sum of its proper divisors (2366635516).

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

2078644484 is a wasteful number, since it uses less digits than its factorization.

2078644484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 47.

The square root of 2078644484 is about 45592.1537547855. The cubic root of 2078644484 is about 1276.2235050680.

The spelling of 2078644484 in words is "two billion, seventy-eight million, six hundred forty-four thousand, four hundred eighty-four".