1818631360 has 336 divisors, whose sum is σ = 5657795136. Its totient is φ = 542121984.

The previous prime is 1818631327. The next prime is 1818631387. The reversal of 1818631360 is 631368181.

It is a super-3 number, since 3×1818631360³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10512234 + ... + 10512406.

It is an arithmetic number, because the mean of its divisors is an integer number (16838676).

Almost surely, 2^1818631360 is an apocalyptic number.

1818631360 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 1818631360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2828897568).

1818631360 is an abundant number, since it is smaller than the sum of its proper divisors (3839163776).

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

1818631360 is a wasteful number, since it uses less digits than its factorization.

1818631360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1818631360 is about 42645.4142904017. The cubic root of 1818631360 is about 1220.6230267589.

The spelling of 1818631360 in words is "one billion, eight hundred eighteen million, six hundred thirty-one thousand, three hundred sixty".