12454041618 has 24 divisors (see below), whose sum is σ = 27854201856. Its totient is φ = 4017432600.

The previous prime is 12454041553. The next prime is 12454041629. The reversal of 12454041618 is 81614045421.

12454041618 is a `hidden beast` number, since 1 + 245 + 404 + 1 + 6 + 1 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11158978 + ... + 11160093.

It is an arithmetic number, because the mean of its divisors is an integer number (1160591744).

Almost surely, 2^12454041618 is an apocalyptic number.

12454041618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12454041618 is an abundant number, since it is smaller than the sum of its proper divisors (15400160238).

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

12454041618 is a wasteful number, since it uses less digits than its factorization.

12454041618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22319110 (or 22319107 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 12454041618 in words is "twelve billion, four hundred fifty-four million, forty-one thousand, six hundred eighteen".