2782640814 has 8 divisors (see below), whose sum is σ = 5565281640. Its totient is φ = 927546936.

The previous prime is 2782640813. The next prime is 2782640827. The reversal of 2782640814 is 4180462872.

It is a sphenic number, since it is the product of 3 distinct primes.

2782640814 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2782640813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231886729 + ... + 231886740.

It is an arithmetic number, because the mean of its divisors is an integer number (695660205).

Almost surely, 2^2782640814 is an apocalyptic number.

2782640814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2782640814 is a wasteful number, since it uses less digits than its factorization.

2782640814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463773474.

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 2782640814 is about 52750.7423075733. The cubic root of 2782640814 is about 1406.5409593072.

The spelling of 2782640814 in words is "two billion, seven hundred eighty-two million, six hundred forty thousand, eight hundred fourteen".