126448765400 has 96 divisors (see below), whose sum is σ = 302800753440. Its totient is φ = 49072066560.

The previous prime is 126448765369. The next prime is 126448765427. The reversal of 126448765400 is 4567844621.

It is a happy number.

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, 2587997 + ... + 2636403.

It is an arithmetic number, because the mean of its divisors is an integer number (3154174515).

Almost surely, 2^126448765400 is an apocalyptic number.

126448765400 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 126448765400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151400376720).

126448765400 is an abundant number, since it is smaller than the sum of its proper divisors (176351988040).

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

126448765400 is a wasteful number, since it uses less digits than its factorization.

126448765400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48813 (or 48804 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 126448765400 in words is "one hundred twenty-six billion, four hundred forty-eight million, seven hundred sixty-five thousand, four hundred".