18448654380 has 96 divisors (see below), whose sum is σ = 56986711488. Its totient is φ = 4430438400.

The previous prime is 18448654331. The next prime is 18448654387. The reversal of 18448654380 is 8345684481.

It is not an unprimeable number, because it can be changed into a prime (18448654387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256461 + ... + 320420.

It is an arithmetic number, because the mean of its divisors is an integer number (593611578).

Almost surely, 2^18448654380 is an apocalyptic number.

18448654380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18448654380 is an abundant number, since it is smaller than the sum of its proper divisors (38538057108).

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

18448654380 is a wasteful number, since it uses less digits than its factorization.

18448654380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576947 (or 576945 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 51.

The spelling of 18448654380 in words is "eighteen billion, four hundred forty-eight million, six hundred fifty-four thousand, three hundred eighty".