126433811580 has 48 divisors (see below), whose sum is σ = 354091699584. Its totient is φ = 33708347200.

The previous prime is 126433811531. The next prime is 126433811587. The reversal of 126433811580 is 85118334621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126433811587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51655 + ... + 505505.

It is an arithmetic number, because the mean of its divisors is an integer number (7376910408).

Almost surely, 2^126433811580 is an apocalyptic number.

126433811580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126433811580 is an abundant number, since it is smaller than the sum of its proper divisors (227657888004).

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

126433811580 is a wasteful number, since it uses less digits than its factorization.

126433811580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458506 (or 458504 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 126433811580 in words is "one hundred twenty-six billion, four hundred thirty-three million, eight hundred eleven thousand, five hundred eighty".