126384557850 has 192 divisors, whose sum is σ = 355097808000. Its totient is φ = 33043852800.

The previous prime is 126384557843. The next prime is 126384557867. The reversal of 126384557850 is 58755483621.

126384557850 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 8 + 4 + 557 + 85 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33530766 + ... + 33534534.

It is an arithmetic number, because the mean of its divisors is an integer number (1849467750).

Almost surely, 2^126384557850 is an apocalyptic number.

126384557850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126384557850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177548904000).

126384557850 is an abundant number, since it is smaller than the sum of its proper divisors (228713250150).

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

126384557850 is a wasteful number, since it uses less digits than its factorization.

126384557850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270 (or 4259 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 126384557850 in words is "one hundred twenty-six billion, three hundred eighty-four million, five hundred fifty-seven thousand, eight hundred fifty".