126040409800 has 24 divisors (see below), whose sum is σ = 293043953250. Its totient is φ = 50416163840.

The previous prime is 126040409743. The next prime is 126040409813. The reversal of 126040409800 is 8904040621.

It can be written as a sum of positive squares in 3 ways, for example, as 99778910884 + 26261498916 = 315878^2 + 162054^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 315100825 + ... + 315101224.

Almost surely, 2^126040409800 is an apocalyptic number.

126040409800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126040409800 is an abundant number, since it is smaller than the sum of its proper divisors (167003543450).

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

126040409800 is a wasteful number, since it uses less digits than its factorization.

126040409800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630202065 (or 630202056 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 126040409800 in words is "one hundred twenty-six billion, forty million, four hundred nine thousand, eight hundred".