428182646405 has 8 divisors (see below), whose sum is σ = 513823048992. Its totient is φ = 342543534928.

The previous prime is 428182646401. The next prime is 428182646413. The reversal of 428182646405 is 504646281824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 428182646405 - 2² = 428182646401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428182646401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703454 + ... + 1162416.

It is an arithmetic number, because the mean of its divisors is an integer number (64227881124).

Almost surely, 2^428182646405 is an apocalyptic number.

It is an amenable number.

428182646405 is a deficient number, since it is larger than the sum of its proper divisors (85640402587).

428182646405 is a wasteful number, since it uses less digits than its factorization.

428182646405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645555.

The product of its (nonzero) digits is 2949120, while the sum is 50.

The spelling of 428182646405 in words is "four hundred twenty-eight billion, one hundred eighty-two million, six hundred forty-six thousand, four hundred five".