18362146880 has 336 divisors, whose sum is σ = 56442425088. Its totient is φ = 5565542400.

The previous prime is 18362146787. The next prime is 18362146883. The reversal of 18362146880 is 8864126381.

It is not an unprimeable number, because it can be changed into a prime (18362146883) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10027565 + ... + 10029395.

It is an arithmetic number, because the mean of its divisors is an integer number (167983408).

Almost surely, 2^18362146880 is an apocalyptic number.

18362146880 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 18362146880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28221212544).

18362146880 is an abundant number, since it is smaller than the sum of its proper divisors (38080278208).

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

18362146880 is a wasteful number, since it uses less digits than its factorization.

18362146880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 18362146880 in words is "eighteen billion, three hundred sixty-two million, one hundred forty-six thousand, eight hundred eighty".