18000454740 has 24 divisors (see below), whose sum is σ = 50401273440. Its totient is φ = 4800121248.

The previous prime is 18000454723. The next prime is 18000454751. The reversal of 18000454740 is 4745400081.

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 7 ways as a sum of consecutive naturals, for example, 150003730 + ... + 150003849.

It is an arithmetic number, because the mean of its divisors is an integer number (2100053060).

Almost surely, 2^18000454740 is an apocalyptic number.

18000454740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18000454740 is an abundant number, since it is smaller than the sum of its proper divisors (32400818700).

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

18000454740 is a wasteful number, since it uses less digits than its factorization.

18000454740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300007591 (or 300007589 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The spelling of 18000454740 in words is "eighteen billion, four hundred fifty-four thousand, seven hundred forty".