126841550418 has 48 divisors (see below), whose sum is σ = 299969272512. Its totient is φ = 38416068000.

The previous prime is 126841550411. The next prime is 126841550447. The reversal of 126841550418 is 814055148621.

126841550418 is a `hidden beast` number, since 1 + 2 + 6 + 84 + 1 + 550 + 4 + 18 = 666.

It is not an unprimeable number, because it can be changed into a prime (126841550411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196363 + ... + 540593.

It is an arithmetic number, because the mean of its divisors is an integer number (6249359844).

Almost surely, 2^126841550418 is an apocalyptic number.

126841550418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

126841550418 is an abundant number, since it is smaller than the sum of its proper divisors (173127722094).

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

126841550418 is a wasteful number, since it uses less digits than its factorization.

126841550418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346111 (or 346108 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 126841550418 in words is "one hundred twenty-six billion, eight hundred forty-one million, five hundred fifty thousand, four hundred eighteen".