254879648154 has 48 divisors (see below), whose sum is σ = 583310517504. Its totient is φ = 80307158400.

The previous prime is 254879648071. The next prime is 254879648161. The reversal of 254879648154 is 451846978452.

It is a happy number.

254879648154 is a `hidden beast` number, since 2 + 548 + 7 + 9 + 6 + 4 + 81 + 5 + 4 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 254879648091 and 254879648100.

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 23 ways as a sum of consecutive naturals, for example, 5287327 + ... + 5335314.

It is an arithmetic number, because the mean of its divisors is an integer number (12152302448).

Almost surely, 2^254879648154 is an apocalyptic number.

254879648154 is an abundant number, since it is smaller than the sum of its proper divisors (328430869350).

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

254879648154 is a wasteful number, since it uses less digits than its factorization.

254879648154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10622723 (or 10622720 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 63.

The spelling of 254879648154 in words is "two hundred fifty-four billion, eight hundred seventy-nine million, six hundred forty-eight thousand, one hundred fifty-four".