18241412280 has 512 divisors, whose sum is σ = 69818112000. Its totient is φ = 3787886592.

The previous prime is 18241412279. The next prime is 18241412281. The reversal of 18241412280 is 8221414281.

It is an interprime number because it is at equal distance from previous prime (18241412279) and next prime (18241412281).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18241412281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 39060607 + ... + 39061073.

It is an arithmetic number, because the mean of its divisors is an integer number (136363500).

Almost surely, 2^18241412280 is an apocalyptic number.

18241412280 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 18241412280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34909056000).

18241412280 is an abundant number, since it is smaller than the sum of its proper divisors (51576699720).

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

18241412280 is a wasteful number, since it uses less digits than its factorization.

18241412280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The spelling of 18241412280 in words is "eighteen billion, two hundred forty-one million, four hundred twelve thousand, two hundred eighty".