126440808 has 64 divisors (see below), whose sum is σ = 342451200. Its totient is φ = 38672640.

The previous prime is 126440791. The next prime is 126440813. The reversal of 126440808 is 808044621.

It is a super-3 number, since 3×126440808³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55353 + ... + 57591.

It is an arithmetic number, because the mean of its divisors is an integer number (5350800).

Almost surely, 2^126440808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126440808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171225600).

126440808 is an abundant number, since it is smaller than the sum of its proper divisors (216010392).

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

126440808 is a wasteful number, since it uses less digits than its factorization.

126440808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442 (or 2438 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 126440808 is about 11244.5901659420. The cubic root of 126440808 is about 501.9137431623.

The spelling of 126440808 in words is "one hundred twenty-six million, four hundred forty thousand, eight hundred eight".