427328586844 has 24 divisors (see below), whose sum is σ = 780622012800. Its totient is φ = 204448611840.

The previous prime is 427328586823. The next prime is 427328586889. The reversal of 427328586844 is 448685823724.

It is a happy number.

It is a super-2 number, since 2×427328586844² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19349629 + ... + 19371700.

It is an arithmetic number, because the mean of its divisors is an integer number (32525917200).

Almost surely, 2^427328586844 is an apocalyptic number.

It is an amenable number.

427328586844 is a deficient number, since it is larger than the sum of its proper divisors (353293425956).

427328586844 is a wasteful number, since it uses less digits than its factorization.

427328586844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38721453 (or 38721451 counting only the distinct ones).

The product of its digits is 82575360, while the sum is 61.

The spelling of 427328586844 in words is "four hundred twenty-seven billion, three hundred twenty-eight million, five hundred eighty-six thousand, eight hundred forty-four".