126251640260 has 48 divisors (see below), whose sum is σ = 270910132416. Its totient is φ = 49404880512.

The previous prime is 126251640257. The next prime is 126251640269. The reversal of 126251640260 is 62046152621.

126251640260 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 126251640260.

It is not an unprimeable number, because it can be changed into a prime (126251640269) 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 15 ways as a sum of consecutive naturals, for example, 196199 + ... + 539441.

It is an arithmetic number, because the mean of its divisors is an integer number (5643961092).

Almost surely, 2^126251640260 is an apocalyptic number.

126251640260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126251640260 is an abundant number, since it is smaller than the sum of its proper divisors (144658492156).

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

126251640260 is a wasteful number, since it uses less digits than its factorization.

126251640260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343652 (or 343650 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 126251640260 its reverse (62046152621), we get a palindrome (188297792881).

The spelling of 126251640260 in words is "one hundred twenty-six billion, two hundred fifty-one million, six hundred forty thousand, two hundred sixty".