18045480740 has 48 divisors (see below), whose sum is σ = 43344806400. Its totient is φ = 6181928832.

The previous prime is 18045480727. The next prime is 18045480763. The reversal of 18045480740 is 4708454081.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119621 + ... + 224499.

It is an arithmetic number, because the mean of its divisors is an integer number (903016800).

Almost surely, 2^18045480740 is an apocalyptic number.

18045480740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18045480740 is an abundant number, since it is smaller than the sum of its proper divisors (25299325660).

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

18045480740 is a wasteful number, since it uses less digits than its factorization.

18045480740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106124 (or 106122 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 41.

The spelling of 18045480740 in words is "eighteen billion, forty-five million, four hundred eighty thousand, seven hundred forty".