18019541760 has 288 divisors, whose sum is σ = 63096219648. Its totient is φ = 4346511360.

The previous prime is 18019541759. The next prime is 18019541767. The reversal of 18019541760 is 6714591081.

It is not an unprimeable number, because it can be changed into a prime (18019541767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9418564 + ... + 9420476.

It is an arithmetic number, because the mean of its divisors is an integer number (219084096).

Almost surely, 2^18019541760 is an apocalyptic number.

18019541760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18019541760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31548109824).

18019541760 is an abundant number, since it is smaller than the sum of its proper divisors (45076677888).

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

18019541760 is a wasteful number, since it uses less digits than its factorization.

18019541760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 18019541760 in words is "eighteen billion, nineteen million, five hundred forty-one thousand, seven hundred sixty".