12554450496 has 560 divisors, whose sum is σ = 46098049536. Its totient is φ = 3296526336.

The previous prime is 12554450477. The next prime is 12554450539. The reversal of 12554450496 is 69405445521.

12554450496 is a `hidden beast` number, since 1 + 2 + 5 + 54 + 4 + 504 + 96 = 666.

It is a super-2 number, since 2×12554450496² (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 79 ways as a sum of consecutive naturals, for example, 28993896 + ... + 28994328.

Almost surely, 2^12554450496 is an apocalyptic number.

12554450496 is a gapful number since it is divisible by the number (16) 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 12554450496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23049024768).

12554450496 is an abundant number, since it is smaller than the sum of its proper divisors (33543599040).

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

12554450496 is a wasteful number, since it uses less digits than its factorization.

12554450496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 12554450496 in words is "twelve billion, five hundred fifty-four million, four hundred fifty thousand, four hundred ninety-six".