126644464254000 has 640 divisors, whose sum is σ = 509832308643840. Its totient is φ = 26275370496000.

The previous prime is 126644464253939. The next prime is 126644464254001. The reversal of 126644464254000 is 452464446621.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (126644464254001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 301476106 + ... + 301895894.

It is an arithmetic number, because the mean of its divisors is an integer number (796612982256).

Almost surely, 2^{126644464254000} is an apocalyptic number.

126644464254000 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 126644464254000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254916154321920).

126644464254000 is an abundant number, since it is smaller than the sum of its proper divisors (383187844389840).

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

126644464254000 is a wasteful number, since it uses less digits than its factorization.

126644464254000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420486 (or 420470 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 48.

The spelling of 126644464254000 in words is "one hundred twenty-six trillion, six hundred forty-four billion, four hundred sixty-four million, two hundred fifty-four thousand".