18552214448540 has 48 divisors (see below), whose sum is σ = 39176494008960. Its totient is φ = 7379669099520.

The previous prime is 18552214448473. The next prime is 18552214448633. The reversal of 18552214448540 is 4584441225581.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702989 + ... + 6131771.

It is an arithmetic number, because the mean of its divisors is an integer number (816176958520).

Almost surely, 2^{18552214448540} is an apocalyptic number.

18552214448540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18552214448540 is an abundant number, since it is smaller than the sum of its proper divisors (20624279560420).

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

18552214448540 is a wasteful number, since it uses less digits than its factorization.

18552214448540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5429742 (or 5429740 counting only the distinct ones).

The product of its (nonzero) digits is 8192000, while the sum is 53.

The spelling of 18552214448540 in words is "eighteen trillion, five hundred fifty-two billion, two hundred fourteen million, four hundred forty-eight thousand, five hundred forty".