12454805880 has 480 divisors, whose sum is σ = 47483982000. Its totient is φ = 2821294080.

The previous prime is 12454805837. The next prime is 12454805887. The reversal of 12454805880 is 8850845421.

12454805880 is a `hidden beast` number, since 1 + 2 + 45 + 480 + 58 + 80 = 666.

12454805880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12454805887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 89602851 + ... + 89602989.

Almost surely, 2^12454805880 is an apocalyptic number.

12454805880 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 12454805880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23741991000).

12454805880 is an abundant number, since it is smaller than the sum of its proper divisors (35029176120).

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

12454805880 is a wasteful number, since it uses less digits than its factorization.

12454805880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 45.

The spelling of 12454805880 in words is "twelve billion, four hundred fifty-four million, eight hundred five thousand, eight hundred eighty".