421000054064 has 80 divisors (see below), whose sum is σ = 831280732128. Its totient is φ = 206515685376.

The previous prime is 421000054049. The next prime is 421000054081. The reversal of 421000054064 is 460450000124.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177112844 + ... + 177115220.

Almost surely, 2^421000054064 is an apocalyptic number.

It is an amenable number.

421000054064 is a deficient number, since it is larger than the sum of its proper divisors (410280678064).

421000054064 is a wasteful number, since it uses less digits than its factorization.

421000054064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342 (or 3336 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 421000054064 its reverse (460450000124), we get a palindrome (881450054188).

The spelling of 421000054064 in words is "four hundred twenty-one billion, fifty-four thousand, sixty-four".