428182646404 has 6 divisors (see below), whose sum is σ = 749319631214. Its totient is φ = 214091323200.

The previous prime is 428182646401. The next prime is 428182646413. The reversal of 428182646404 is 404646281824.

It can be written as a sum of positive squares in only one way, i.e., 427716000000 + 466646404 = 654000^2 + 21602^2 .

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

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53522830797 + ... + 53522830804.

Almost surely, 2^428182646404 is an apocalyptic number.

It is an amenable number.

428182646404 is a deficient number, since it is larger than the sum of its proper divisors (321136984810).

428182646404 is a wasteful number, since it uses less digits than its factorization.

428182646404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107045661605 (or 107045661603 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 49.

The spelling of 428182646404 in words is "four hundred twenty-eight billion, one hundred eighty-two million, six hundred forty-six thousand, four hundred four".