1818470949120 has 432 divisors, whose sum is σ = 7613515728000. Its totient is φ = 391200178176.

The previous prime is 1818470949109. The next prime is 1818470949179. The reversal of 1818470949120 is 219490748181.

1818470949120 is a `hidden beast` number, since 1 + 8 + 1 + 8 + 470 + 9 + 49 + 120 = 666.

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, 707631 + ... + 2034129.

It is an arithmetic number, because the mean of its divisors is an integer number (17623879000).

Almost surely, 2^{1818470949120} is an apocalyptic number.

1818470949120 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 1818470949120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3806757864000).

1818470949120 is an abundant number, since it is smaller than the sum of its proper divisors (5795044778880).

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

1818470949120 is a wasteful number, since it uses less digits than its factorization.

1818470949120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326550 (or 1326533 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 1818470949120 in words is "one trillion, eight hundred eighteen billion, four hundred seventy million, nine hundred forty-nine thousand, one hundred twenty".