126440514426 has 32 divisors (see below), whose sum is σ = 261719515008. Its totient is φ = 40694952960.

The previous prime is 126440514413. The next prime is 126440514521. The reversal of 126440514426 is 624415044621.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 2625550 + ... + 2673273.

It is an arithmetic number, because the mean of its divisors is an integer number (8178734844).

Almost surely, 2^126440514426 is an apocalyptic number.

126440514426 is an abundant number, since it is smaller than the sum of its proper divisors (135279000582).

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

126440514426 is a wasteful number, since it uses less digits than its factorization.

126440514426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298966.

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 126440514426 in words is "one hundred twenty-six billion, four hundred forty million, five hundred fourteen thousand, four hundred twenty-six".