421838162532 has 36 divisors (see below), whose sum is σ = 1069786493776. Its totient is φ = 140154695280.

The previous prime is 421838162483. The next prime is 421838162549. The reversal of 421838162532 is 235261838124.

421838162532 is a `hidden beast` number, since 4 + 2 + 18 + 3 + 8 + 1 + 625 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19073194 + ... + 19095297.

Almost surely, 2^421838162532 is an apocalyptic number.

It is an amenable number.

421838162532 is an abundant number, since it is smaller than the sum of its proper divisors (647948331244).

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

421838162532 is a wasteful number, since it uses less digits than its factorization.

421838162532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38168808 (or 38168803 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The spelling of 421838162532 in words is "four hundred twenty-one billion, eight hundred thirty-eight million, one hundred sixty-two thousand, five hundred thirty-two".