18234884536320 has 192 divisors, whose sum is σ = 59694072197760. Its totient is φ = 4749550977024.

The previous prime is 18234884536307. The next prime is 18234884536321. The reversal of 18234884536320 is 2363548843281.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×18234884536320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18234884536321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5581174 + ... + 8223093.

It is an arithmetic number, because the mean of its divisors is an integer number (310906626030).

Almost surely, 2^{18234884536320} is an apocalyptic number.

18234884536320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18234884536320 is an abundant number, since it is smaller than the sum of its proper divisors (41459187661440).

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

18234884536320 is a wasteful number, since it uses less digits than its factorization.

18234884536320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13804340 (or 13804320 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 57.

The spelling of 18234884536320 in words is "eighteen trillion, two hundred thirty-four billion, eight hundred eighty-four million, five hundred thirty-six thousand, three hundred twenty".