427320137544756 has 24 divisors (see below), whose sum is σ = 1011962116774560. Its totient is φ = 140314075014432.

The previous prime is 427320137544737. The next prime is 427320137544757. The reversal of 427320137544756 is 657445731023724.

It is a self number, because there is not a number n which added to its sum of digits gives 427320137544756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427320137544757) 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 7 ways as a sum of consecutive naturals, for example, 265746353391 + ... + 265746354998.

It is an arithmetic number, because the mean of its divisors is an integer number (42165088198940).

Almost surely, 2^{427320137544756} is an apocalyptic number.

It is an amenable number.

427320137544756 is an abundant number, since it is smaller than the sum of its proper divisors (584641979229804).

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

427320137544756 is a wasteful number, since it uses less digits than its factorization.

427320137544756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531492708463 (or 531492708461 counting only the distinct ones).

The product of its (nonzero) digits is 118540800, while the sum is 60.

The spelling of 427320137544756 in words is "four hundred twenty-seven trillion, three hundred twenty billion, one hundred thirty-seven million, five hundred forty-four thousand, seven hundred fifty-six".