126266404608 has 144 divisors (see below), whose sum is σ = 386268170400. Its totient is φ = 40637399040.

The previous prime is 126266404577. The next prime is 126266404651. The reversal of 126266404608 is 806404662621.

126266404608 is a `hidden beast` number, since 12 + 6 + 26 + 6 + 4 + 0 + 4 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114513 + ... + 515408.

It is an arithmetic number, because the mean of its divisors is an integer number (2682417850).

Almost surely, 2^126266404608 is an apocalyptic number.

126266404608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

126266404608 is an abundant number, since it is smaller than the sum of its proper divisors (260001765792).

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

126266404608 is an equidigital number, since it uses as much as digits as its factorization.

126266404608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629975 (or 629955 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 126266404608 in words is "one hundred twenty-six billion, two hundred sixty-six million, four hundred four thousand, six hundred eight".