126839626432 has 112 divisors (see below), whose sum is σ = 274330533888. Its totient is φ = 57956290560.

The previous prime is 126839626429. The next prime is 126839626439. The reversal of 126839626432 is 234626938621.

It is a self number, because there is not a number n which added to its sum of digits gives 126839626432.

It is not an unprimeable number, because it can be changed into a prime (126839626439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6484507 + ... + 6504037.

Almost surely, 2^126839626432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126839626432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137165266944).

126839626432 is an abundant number, since it is smaller than the sum of its proper divisors (147490907456).

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

126839626432 is a wasteful number, since it uses less digits than its factorization.

126839626432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19734 (or 19724 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 52.

The spelling of 126839626432 in words is "one hundred twenty-six billion, eight hundred thirty-nine million, six hundred twenty-six thousand, four hundred thirty-two".