12435453450 has 192 divisors, whose sum is σ = 41223552000. Its totient is φ = 2692751040.

The previous prime is 12435453427. The next prime is 12435453451. The reversal of 12435453450 is 5435453421.

12435453450 is a `hidden beast` number, since 1 + 24 + 3 + 54 + 534 + 50 = 666.

It is not an unprimeable number, because it can be changed into a prime (12435453451) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 144921 + ... + 214179.

It is an arithmetic number, because the mean of its divisors is an integer number (214706000).

Almost surely, 2^12435453450 is an apocalyptic number.

12435453450 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 12435453450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20611776000).

12435453450 is an abundant number, since it is smaller than the sum of its proper divisors (28788098550).

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

12435453450 is a wasteful number, since it uses less digits than its factorization.

12435453450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69306 (or 69295 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 12435453450 in words is "twelve billion, four hundred thirty-five million, four hundred fifty-three thousand, four hundred fifty".