12454477088 has 48 divisors (see below), whose sum is σ = 25061400000. Its totient is φ = 6090746112.

The previous prime is 12454477037. The next prime is 12454477157. The reversal of 12454477088 is 88077445421.

It is a super-2 number, since 2×12454477088² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359138 + ... + 392286.

It is an arithmetic number, because the mean of its divisors is an integer number (522112500).

Almost surely, 2^12454477088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12454477088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12530700000).

12454477088 is an abundant number, since it is smaller than the sum of its proper divisors (12606922912).

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

12454477088 is a wasteful number, since it uses less digits than its factorization.

12454477088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33417 (or 33409 counting only the distinct ones).

The product of its (nonzero) digits is 2007040, while the sum is 50.

The spelling of 12454477088 in words is "twelve billion, four hundred fifty-four million, four hundred seventy-seven thousand, eighty-eight".