18885498441264 has 600 divisors, whose sum is σ = 68655240783360. Its totient is φ = 4967702949888.

The previous prime is 18885498441259. The next prime is 18885498441269. The reversal of 18885498441264 is 46214489458881.

18885498441264 is a `hidden beast` number, since 1 + 8 + 8 + 8 + 5 + 498 + 4 + 4 + 126 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (18885498441259) and next prime (18885498441269).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 18885498441192 and 18885498441201.

It is not an unprimeable number, because it can be changed into a prime (18885498441269) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 316156552 + ... + 316216280.

Almost surely, 2^{18885498441264} is an apocalyptic number.

18885498441264 is a gapful number since it is divisible by the number (14) 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 18885498441264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34327620391680).

18885498441264 is an abundant number, since it is smaller than the sum of its proper divisors (49769742342096).

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

18885498441264 is a wasteful number, since it uses less digits than its factorization.

18885498441264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60159 (or 60137 counting only the distinct ones).

The product of its digits is 566231040, while the sum is 72.

The spelling of 18885498441264 in words is "eighteen trillion, eight hundred eighty-five billion, four hundred ninety-eight million, four hundred forty-one thousand, two hundred sixty-four".