18030451000 has 32 divisors (see below), whose sum is σ = 42191257680. Its totient is φ = 7212180000.

The previous prime is 18030450913. The next prime is 18030451001. The reversal of 18030451000 is 15403081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18030451001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9014226 + ... + 9016225.

Almost surely, 2^18030451000 is an apocalyptic number.

18030451000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18030451000 is an abundant number, since it is smaller than the sum of its proper divisors (24160806680).

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

18030451000 is a wasteful number, since it uses less digits than its factorization.

18030451000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18030472 (or 18030458 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 18030451000 its reverse (15403081), we get a palindrome (18045854081).

The spelling of 18030451000 in words is "eighteen billion, thirty million, four hundred fifty-one thousand".