1818350532 has 96 divisors (see below), whose sum is σ = 5053587840. Its totient is φ = 570416256.

The previous prime is 1818350531. The next prime is 1818350551. The reversal of 1818350532 is 2350538181.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1818350531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142603 + ... + 154829.

It is an arithmetic number, because the mean of its divisors is an integer number (52641540).

Almost surely, 2^1818350532 is an apocalyptic number.

1818350532 is a gapful number since it is divisible by the number (12) 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 1818350532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2526793920).

1818350532 is an abundant number, since it is smaller than the sum of its proper divisors (3235237308).

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

1818350532 is a wasteful number, since it uses less digits than its factorization.

1818350532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12269 (or 12249 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1818350532 is about 42642.1215701095. The cubic root of 1818350532 is about 1220.5601951196.

The spelling of 1818350532 in words is "one billion, eight hundred eighteen million, three hundred fifty thousand, five hundred thirty-two".