18980412480 has 280 divisors, whose sum is σ = 67713148800. Its totient is φ = 5046727680.

The previous prime is 18980412457. The next prime is 18980412481. The reversal of 18980412480 is 8421408981.

18980412480 is a `hidden beast` number, since 1 + 89 + 80 + 4 + 12 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (18980412481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11170671 + ... + 11172369.

Almost surely, 2^18980412480 is an apocalyptic number.

18980412480 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 18980412480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33856574400).

18980412480 is an abundant number, since it is smaller than the sum of its proper divisors (48732736320).

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

18980412480 is a wasteful number, since it uses less digits than its factorization.

18980412480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159 (or 2140 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The spelling of 18980412480 in words is "eighteen billion, nine hundred eighty million, four hundred twelve thousand, four hundred eighty".