126438495320192 has 64 divisors (see below), whose sum is σ = 274793420484000. Its totient is φ = 57470952960000.

The previous prime is 126438495320167. The next prime is 126438495320251. The reversal of 126438495320192 is 291023594834621.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75839567 + ... + 77488817.

Almost surely, 2^{126438495320192} is an apocalyptic number.

It is an amenable number.

126438495320192 is an abundant number, since it is smaller than the sum of its proper divisors (148354925163808).

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

126438495320192 is a wasteful number, since it uses less digits than its factorization.

126438495320192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703725 (or 1703713 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 59.

The spelling of 126438495320192 in words is "one hundred twenty-six trillion, four hundred thirty-eight billion, four hundred ninety-five million, three hundred twenty thousand, one hundred ninety-two".