126943244980 has 96 divisors (see below), whose sum is σ = 282239717760. Its totient is φ = 47826432000.

The previous prime is 126943244977. The next prime is 126943245017. The reversal of 126943244980 is 89442349621.

It is a super-2 number, since 2×126943244980² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81739884 + ... + 81741436.

It is an arithmetic number, because the mean of its divisors is an integer number (2939997060).

Almost surely, 2^126943244980 is an apocalyptic number.

126943244980 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 126943244980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141119858880).

126943244980 is an abundant number, since it is smaller than the sum of its proper divisors (155296472780).

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

126943244980 is a wasteful number, since it uses less digits than its factorization.

126943244980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689 (or 2687 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 126943244980 in words is "one hundred twenty-six billion, nine hundred forty-three million, two hundred forty-four thousand, nine hundred eighty".