427275041064 has 128 divisors (see below), whose sum is σ = 1132344576000. Its totient is φ = 133979975424.

The previous prime is 427275041033. The next prime is 427275041069. The reversal of 427275041064 is 460140572724.

It is not an unprimeable number, because it can be changed into a prime (427275041069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38011557 + ... + 38022795.

It is an arithmetic number, because the mean of its divisors is an integer number (8846442000).

Almost surely, 2^427275041064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427275041064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566172288000).

427275041064 is an abundant number, since it is smaller than the sum of its proper divisors (705069534936).

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

427275041064 is a wasteful number, since it uses less digits than its factorization.

427275041064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11847 (or 11843 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 427275041064 in words is "four hundred twenty-seven billion, two hundred seventy-five million, forty-one thousand, sixty-four".