18279054920742 has 96 divisors (see below), whose sum is σ = 46688348989440. Its totient is φ = 4717565536320.

The previous prime is 18279054920719. The next prime is 18279054920759. The reversal of 18279054920742 is 24702945097281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17492742 + ... + 18508217.

It is an arithmetic number, because the mean of its divisors is an integer number (486336968640).

Almost surely, 2^{18279054920742} is an apocalyptic number.

18279054920742 is an abundant number, since it is smaller than the sum of its proper divisors (28409294068698).

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

18279054920742 is a wasteful number, since it uses less digits than its factorization.

18279054920742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36001146 (or 36001139 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 18279054920742 in words is "eighteen trillion, two hundred seventy-nine billion, fifty-four million, nine hundred twenty thousand, seven hundred forty-two".