254981881154 has 48 divisors (see below), whose sum is σ = 517420365504. Its totient is φ = 91701767520.

The previous prime is 254981881153. The next prime is 254981881183. The reversal of 254981881154 is 451188189452.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 254981881154.

It is not an unprimeable number, because it can be changed into a prime (254981881153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5767232 + ... + 5811275.

It is an arithmetic number, because the mean of its divisors is an integer number (10779590948).

Almost surely, 2^254981881154 is an apocalyptic number.

254981881154 is an abundant number, since it is smaller than the sum of its proper divisors (262438484350).

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

254981881154 is a wasteful number, since it uses less digits than its factorization.

254981881154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11578551 (or 11578540 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 56.

The spelling of 254981881154 in words is "two hundred fifty-four billion, nine hundred eighty-one million, eight hundred eighty-one thousand, one hundred fifty-four".