126264383568 has 120 divisors (see below), whose sum is σ = 372329443200. Its totient is φ = 39833690112.

The previous prime is 126264383491. The next prime is 126264383591. The reversal of 126264383568 is 865383462621.

126264383568 is a `hidden beast` number, since 1 + 2 + 626 + 4 + 3 + 8 + 3 + 5 + 6 + 8 = 666.

It is a Cunningham number, because it is equal to 355337²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2820496 + ... + 2864912.

It is an arithmetic number, because the mean of its divisors is an integer number (3102745360).

Almost surely, 2^126264383568 is an apocalyptic number.

126264383568 is a gapful number since it is divisible by the number (18) 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 126264383568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186164721600).

126264383568 is an abundant number, since it is smaller than the sum of its proper divisors (246065059632).

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

126264383568 is a wasteful number, since it uses less digits than its factorization.

126264383568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45489 (or 45480 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The spelling of 126264383568 in words is "one hundred twenty-six billion, two hundred sixty-four million, three hundred eighty-three thousand, five hundred sixty-eight".