18124856006400 has 3888 divisors, whose sum is σ = 82456495779840. Its totient is φ = 3908653056000.

The previous prime is 18124856006353. The next prime is 18124856006407. The reversal of 18124856006400 is 460065842181.

It is a happy number.

18124856006400 is a `hidden beast` number, since 1 + 8 + 1 + 2 + 48 + 560 + 0 + 6 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3888).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18124856006407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 75836217481 + ... + 75836217719.

Almost surely, 2^{18124856006400} is an apocalyptic number.

18124856006400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18124856006400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41228247889920).

18124856006400 is an abundant number, since it is smaller than the sum of its proper divisors (64331639773440).

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

18124856006400 is a wasteful number, since it uses less digits than its factorization.

18124856006400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 18124856006400 in words is "eighteen trillion, one hundred twenty-four billion, eight hundred fifty-six million, six thousand, four hundred".