18148018344 has 32 divisors (see below), whose sum is σ = 46934532000. Its totient is φ = 5840741312.

The previous prime is 18148018307. The next prime is 18148018349. The reversal of 18148018344 is 44381084181.

It is a junction number, because it is equal to n+sod(n) for n = 18148018296 and 18148018305.

It is not an unprimeable number, because it can be changed into a prime (18148018349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13036674 + ... + 13038065.

It is an arithmetic number, because the mean of its divisors is an integer number (1466704125).

Almost surely, 2^18148018344 is an apocalyptic number.

It is an amenable number.

18148018344 is an abundant number, since it is smaller than the sum of its proper divisors (28786513656).

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

18148018344 is a wasteful number, since it uses less digits than its factorization.

18148018344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26074777 (or 26074773 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The spelling of 18148018344 in words is "eighteen billion, one hundred forty-eight million, eighteen thousand, three hundred forty-four".