18029071248 has 80 divisors (see below), whose sum is σ = 48266791680. Its totient is φ = 5792145408.

The previous prime is 18029071241. The next prime is 18029071259. The reversal of 18029071248 is 84217092081.

It is not an unprimeable number, because it can be changed into a prime (18029071241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 791961 + ... + 814407.

It is an arithmetic number, because the mean of its divisors is an integer number (603334896).

Almost surely, 2^18029071248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18029071248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24133395840).

18029071248 is an abundant number, since it is smaller than the sum of its proper divisors (30237720432).

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

18029071248 is a wasteful number, since it uses less digits than its factorization.

18029071248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23064 (or 23058 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The spelling of 18029071248 in words is "eighteen billion, twenty-nine million, seventy-one thousand, two hundred forty-eight".