2744940778 has 8 divisors (see below), whose sum is σ = 4136925600. Its totient is φ = 1365965580.

The previous prime is 2744940739. The next prime is 2744940797. The reversal of 2744940778 is 8770494472.

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

It is an unprimeable number.

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, 3251878 + ... + 3252721.

It is an arithmetic number, because the mean of its divisors is an integer number (517115700).

Almost surely, 2^2744940778 is an apocalyptic number.

2744940778 is a deficient number, since it is larger than the sum of its proper divisors (1391984822).

2744940778 is a wasteful number, since it uses less digits than its factorization.

2744940778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6504812.

The product of its (nonzero) digits is 3161088, while the sum is 52.

The square root of 2744940778 is about 52392.1824130280. The cubic root of 2744940778 is about 1400.1599779771.

The spelling of 2744940778 in words is "two billion, seven hundred forty-four million, nine hundred forty thousand, seven hundred seventy-eight".