216413482428 has 120 divisors (see below), whose sum is σ = 664654655280. Its totient is φ = 60535226880.

The previous prime is 216413482423. The next prime is 216413482429. The reversal of 216413482428 is 824284314612.

216413482428 is a `hidden beast` number, since 2 + 1 + 64 + 1 + 348 + 242 + 8 = 666.

It is a super-2 number, since 2×216413482428² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216413482423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2289133 + ... + 2381796.

It is an arithmetic number, because the mean of its divisors is an integer number (5538788794).

Almost surely, 2^216413482428 is an apocalyptic number.

It is an amenable number.

216413482428 is an abundant number, since it is smaller than the sum of its proper divisors (448241172852).

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

216413482428 is a wasteful number, since it uses less digits than its factorization.

216413482428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670969 (or 4670958 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The spelling of 216413482428 in words is "two hundred sixteen billion, four hundred thirteen million, four hundred eighty-two thousand, four hundred twenty-eight".