126055526400 has 624 divisors, whose sum is σ = 468027187200. Its totient is φ = 33257226240.

The previous prime is 126055526339. The next prime is 126055526407. The reversal of 126055526400 is 4625550621.

126055526400 is a `hidden beast` number, since 1 + 2 + 6 + 0 + 5 + 5 + 5 + 2 + 640 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (126055526407) 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 47 ways as a sum of consecutive naturals, for example, 351129421 + ... + 351129779.

Almost surely, 2^126055526400 is an apocalyptic number.

126055526400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126055526400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234013593600).

126055526400 is an abundant number, since it is smaller than the sum of its proper divisors (341971660800).

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

126055526400 is a wasteful number, since it uses less digits than its factorization.

126055526400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 126055526400 in words is "one hundred twenty-six billion, fifty-five million, five hundred twenty-six thousand, four hundred".