254438879660 has 48 divisors (see below), whose sum is σ = 610683929856. Its totient is φ = 87231813312.

The previous prime is 254438879641. The next prime is 254438879711. The reversal of 254438879660 is 66978834452.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 254438879593 and 254438879602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4096799 + ... + 4158441.

It is an arithmetic number, because the mean of its divisors is an integer number (12722581872).

Almost surely, 2^254438879660 is an apocalyptic number.

254438879660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254438879660 is an abundant number, since it is smaller than the sum of its proper divisors (356245050196).

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

254438879660 is a wasteful number, since it uses less digits than its factorization.

254438879660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91142 (or 91140 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 62.

The spelling of 254438879660 in words is "two hundred fifty-four billion, four hundred thirty-eight million, eight hundred seventy-nine thousand, six hundred sixty".