5812778240 has 36 divisors (see below), whose sum is σ = 13923423444. Its totient is φ = 2325110784.

The previous prime is 5812778221. The next prime is 5812778249. The reversal of 5812778240 is 428772185.

It can be written as a sum of positive squares in 2 ways, for example, as 872375296 + 4940402944 = 29536^2 + 70288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5812778191 and 5812778200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5812778249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2269337 + ... + 2271896.

Almost surely, 2^5812778240 is an apocalyptic number.

It is an amenable number.

5812778240 is an abundant number, since it is smaller than the sum of its proper divisors (8110645204).

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

5812778240 is an equidigital number, since it uses as much as digits as its factorization.

5812778240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541254 (or 4541240 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 44.

The square root of 5812778240 is about 76241.5781578529. The cubic root of 5812778240 is about 1798.0202760805.

The spelling of 5812778240 in words is "five billion, eight hundred twelve million, seven hundred seventy-eight thousand, two hundred forty".