12449953600 has 168 divisors, whose sum is σ = 35586952448. Its totient is φ = 4198348800.

The previous prime is 12449953577. The next prime is 12449953639. The reversal of 12449953600 is 635994421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 674089 + ... + 692311.

Almost surely, 2^12449953600 is an apocalyptic number.

12449953600 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 12449953600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17793476224).

12449953600 is an abundant number, since it is smaller than the sum of its proper divisors (23136998848).

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

12449953600 is a wasteful number, since it uses less digits than its factorization.

12449953600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18313 (or 18298 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 12449953600 in words is "twelve billion, four hundred forty-nine million, nine hundred fifty-three thousand, six hundred".