68070126400 has 42 divisors (see below), whose sum is σ = 167495058710. Its totient is φ = 27228049920.

The previous prime is 68070126379. The next prime is 68070126403. The reversal of 68070126400 is 462107086.

It can be written as a sum of positive squares in 3 ways, for example, as 860600896 + 67209525504 = 29336^2 + 259248^2 .

It is a super-2 number, since 2×68070126400² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68070126403) 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 5 ways as a sum of consecutive naturals, for example, 21270315 + ... + 21273514.

Almost surely, 2^68070126400 is an apocalyptic number.

It is an amenable number.

68070126400 is an abundant number, since it is smaller than the sum of its proper divisors (99424932310).

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

68070126400 is a wasteful number, since it uses less digits than its factorization.

68070126400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42543851 (or 42543836 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 68070126400 in words is "sixty-eight billion, seventy million, one hundred twenty-six thousand, four hundred".