12554502450 has 192 divisors, whose sum is σ = 37032296448. Its totient is φ = 2754259200.

The previous prime is 12554502407. The next prime is 12554502469. The reversal of 12554502450 is 5420545521.

12554502450 = 253² + 254² + ... + 3352².

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4132332 + ... + 4135368.

It is an arithmetic number, because the mean of its divisors is an integer number (192876544).

Almost surely, 2^12554502450 is an apocalyptic number.

12554502450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12554502450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18516148224).

12554502450 is an abundant number, since it is smaller than the sum of its proper divisors (24477793998).

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

12554502450 is a wasteful number, since it uses less digits than its factorization.

12554502450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217 (or 3212 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 12554502450 in words is "twelve billion, five hundred fifty-four million, five hundred two thousand, four hundred fifty".