2254937978 has 24 divisors (see below), whose sum is σ = 3521905920. Its totient is φ = 1082737040.

The previous prime is 2254937969. The next prime is 2254937981. The reversal of 2254937978 is 8797394522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317753 + ... + 324771.

It is an arithmetic number, because the mean of its divisors is an integer number (146746080).

Almost surely, 2^2254937978 is an apocalyptic number.

2254937978 is a deficient number, since it is larger than the sum of its proper divisors (1266967942).

2254937978 is a wasteful number, since it uses less digits than its factorization.

2254937978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7270 (or 7241 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 56.

The square root of 2254937978 is about 47486.1872337630. The cubic root of 2254937978 is about 1311.3286013812.

The spelling of 2254937978 in words is "two billion, two hundred fifty-four million, nine hundred thirty-seven thousand, nine hundred seventy-eight".