18288130632 has 64 divisors (see below), whose sum is σ = 46168030080. Its totient is φ = 6036452352.

The previous prime is 18288130631. The next prime is 18288130633. The reversal of 18288130632 is 23603188281.

It is an interprime number because it is at equal distance from previous prime (18288130631) and next prime (18288130633).

It is not an unprimeable number, because it can be changed into a prime (18288130631) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3704838 + ... + 3709770.

It is an arithmetic number, because the mean of its divisors is an integer number (721375470).

Almost surely, 2^18288130632 is an apocalyptic number.

18288130632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18288130632 is an abundant number, since it is smaller than the sum of its proper divisors (27879899448).

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

18288130632 is a wasteful number, since it uses less digits than its factorization.

18288130632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6422 (or 6418 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 18288130632 in words is "eighteen billion, two hundred eighty-eight million, one hundred thirty thousand, six hundred thirty-two".