18649023828480 has 800 divisors, whose sum is σ = 72211278807360. Its totient is φ = 4583963197440.

The previous prime is 18649023828431. The next prime is 18649023828629. The reversal of 18649023828480 is 8482832094681.

18649023828480 is a `hidden beast` number, since 1 + 8 + 6 + 49 + 0 + 238 + 284 + 80 = 666.

It is a super-2 number, since 2×18649023828480² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 145710115 + ... + 145838045.

Almost surely, 2^{18649023828480} is an apocalyptic number.

18649023828480 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 18649023828480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36105639403680).

18649023828480 is an abundant number, since it is smaller than the sum of its proper divisors (53562254978880).

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

18649023828480 is a wasteful number, since it uses less digits than its factorization.

18649023828480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128022 (or 127997 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 63.

The spelling of 18649023828480 in words is "eighteen trillion, six hundred forty-nine billion, twenty-three million, eight hundred twenty-eight thousand, four hundred eighty".