It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
Almost surely, 2125629642240 is an apocalyptic number.
125629642240 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 125629642240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151373465496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125629642240 is an equidigital number, since it uses as much as digits as its factorization.
125629642240 is an evil number, because the sum of its binary digits is even.
The spelling of 125629642240 in words is "one hundred twenty-five billion, six hundred twenty-nine million, six hundred forty-two thousand, two hundred forty".