1818290532 has 12 divisors (see below), whose sum is σ = 4242677936. Its totient is φ = 606096840.

The previous prime is 1818290531. The next prime is 1818290543. The reversal of 1818290532 is 2350928181.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1818290531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75762094 + ... + 75762117.

Almost surely, 2^1818290532 is an apocalyptic number.

1818290532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1818290532 is an abundant number, since it is smaller than the sum of its proper divisors (2424387404).

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

1818290532 is a wasteful number, since it uses less digits than its factorization.

1818290532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151524218 (or 151524216 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1818290532 is about 42641.4180345823. The cubic root of 1818290532 is about 1220.5467700556.

The spelling of 1818290532 in words is "one billion, eight hundred eighteen million, two hundred ninety thousand, five hundred thirty-two".