126758040040 has 16 divisors (see below), whose sum is σ = 285205590180. Its totient is φ = 50703216000.

The previous prime is 126758040037. The next prime is 126758040041. The reversal of 126758040040 is 40040857621.

It can be written as a sum of positive squares in 2 ways, for example, as 126162777636 + 595262404 = 355194^2 + 24398^2 .

It is not an unprimeable number, because it can be changed into a prime (126758040041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1584475461 + ... + 1584475540.

Almost surely, 2^126758040040 is an apocalyptic number.

126758040040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126758040040 is an abundant number, since it is smaller than the sum of its proper divisors (158447550140).

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

126758040040 is a wasteful number, since it uses less digits than its factorization.

126758040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168951012 (or 3168951008 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

Adding to 126758040040 its reverse (40040857621), we get a palindrome (166798897661).

The spelling of 126758040040 in words is "one hundred twenty-six billion, seven hundred fifty-eight million, forty thousand, forty".