254649516688 has 40 divisors (see below), whose sum is σ = 575374284800. Its totient is φ = 109135504800.

The previous prime is 254649516619. The next prime is 254649516703. The reversal of 254649516688 is 886615946452.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23195088 + ... + 23206063.

It is an arithmetic number, because the mean of its divisors is an integer number (14384357120).

Almost surely, 2^254649516688 is an apocalyptic number.

254649516688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

254649516688 is an abundant number, since it is smaller than the sum of its proper divisors (320724768112).

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

254649516688 is an equidigital number, since it uses as much as digits as its factorization.

254649516688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46401180 (or 46401160 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 64.

The spelling of 254649516688 in words is "two hundred fifty-four billion, six hundred forty-nine million, five hundred sixteen thousand, six hundred eighty-eight".