126266332640 has 48 divisors (see below), whose sum is σ = 340919101152. Its totient is φ = 43291313664.

The previous prime is 126266332603. The next prime is 126266332651. The reversal of 126266332640 is 46233662621.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 56367779 + ... + 56370018.

It is an arithmetic number, because the mean of its divisors is an integer number (7102481274).

Almost surely, 2^126266332640 is an apocalyptic number.

126266332640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126266332640 is an abundant number, since it is smaller than the sum of its proper divisors (214652768512).

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

126266332640 is a wasteful number, since it uses less digits than its factorization.

126266332640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112737819 (or 112737811 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 126266332640 in words is "one hundred twenty-six billion, two hundred sixty-six million, three hundred thirty-two thousand, six hundred forty".