126966493117440 has 132 divisors (see below), whose sum is σ = 439935592392504. Its totient is φ = 33857731485696.

The previous prime is 126966493117423. The next prime is 126966493117441. The reversal of 126966493117440 is 44711394669621.

It is a happy number.

126966493117440 is a `hidden beast` number, since 1 + 2 + 6 + 9 + 66 + 493 + 11 + 74 + 4 + 0 = 666.

It is a super-2 number, since 2×126966493117440² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126966493117441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1377628542 + ... + 1377720701.

Almost surely, 2^{126966493117440} is an apocalyptic number.

126966493117440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126966493117440 is an abundant number, since it is smaller than the sum of its proper divisors (312969099275064).

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

126966493117440 is a wasteful number, since it uses less digits than its factorization.

126966493117440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755349274 (or 2755349253 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 126966493117440 in words is "one hundred twenty-six trillion, nine hundred sixty-six billion, four hundred ninety-three million, one hundred seventeen thousand, four hundred forty".