450066677885838 has 64 divisors (see below), whose sum is σ = 1077110457998400. Its totient is φ = 138478479154560.

The previous prime is 450066677885761. The next prime is 450066677885861. The reversal of 450066677885838 is 838588776660054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18994948 + ... + 35509736.

It is an arithmetic number, because the mean of its divisors is an integer number (16829850906225).

Almost surely, 2^{450066677885838} is an apocalyptic number.

450066677885838 is an abundant number, since it is smaller than the sum of its proper divisors (627043780112562).

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

450066677885838 is a wasteful number, since it uses less digits than its factorization.

450066677885838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16553634 (or 16553628 counting only the distinct ones).

The product of its (nonzero) digits is 13005619200, while the sum is 81.

The spelling of 450066677885838 in words is "four hundred fifty trillion, sixty-six billion, six hundred seventy-seven million, eight hundred eighty-five thousand, eight hundred thirty-eight".