18980006880 has 192 divisors, whose sum is σ = 60408972288. Its totient is φ = 5008988160.

The previous prime is 18980006869. The next prime is 18980006917. The reversal of 18980006880 is 8860008981.

It is a super-2 number, since 2×18980006880² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 28713750 + ... + 28714410.

It is an arithmetic number, because the mean of its divisors is an integer number (314630064).

Almost surely, 2^18980006880 is an apocalyptic number.

18980006880 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 18980006880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30204486144).

18980006880 is an abundant number, since it is smaller than the sum of its proper divisors (41428965408).

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

18980006880 is a wasteful number, since it uses less digits than its factorization.

18980006880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 48.

The spelling of 18980006880 in words is "eighteen billion, nine hundred eighty million, six thousand, eight hundred eighty".