2012778496 has 39 divisors (see below), whose sum is σ = 4030815673. Its totient is φ = 1004953600.

The previous prime is 2012778491. The next prime is 2012778539. The reversal of 2012778496 is 6948772102.

The square root of 2012778496 is 44864.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1735888896 + 276889600 = 41664^2 + 16640^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012778491) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 2870946 + ... + 2871646.

Almost surely, 2^2012778496 is an apocalyptic number.

2012778496 is the 44864-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012778496

2012778496 is an abundant number, since it is smaller than the sum of its proper divisors (2018037177).

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

2012778496 is an frugal number, since it uses more digits than its factorization.

2012778496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The cubic root of 2012778496 is about 1262.5986713196.

The spelling of 2012778496 in words is "two billion, twelve million, seven hundred seventy-eight thousand, four hundred ninety-six".