2454340978 has 8 divisors (see below), whose sum is σ = 3741864300. Its totient is φ = 1207052880.

The previous prime is 2454340969. The next prime is 2454340991. The reversal of 2454340978 is 8790434542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1916425729 + 537915249 = 43777^2 + 23193^2 .

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10058653 + ... + 10058896.

Almost surely, 2^2454340978 is an apocalyptic number.

2454340978 is a deficient number, since it is larger than the sum of its proper divisors (1287523322).

2454340978 is a wasteful number, since it uses less digits than its factorization.

2454340978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20117612.

The product of its (nonzero) digits is 967680, while the sum is 46.

The square root of 2454340978 is about 49541.3057760895. The cubic root of 2454340978 is about 1348.8954802916.

The spelling of 2454340978 in words is "two billion, four hundred fifty-four million, three hundred forty thousand, nine hundred seventy-eight".