428345543824 has 40 divisors (see below), whose sum is σ = 918879679008. Its totient is φ = 191796506880.

The previous prime is 428345543819. The next prime is 428345543929.

428345543824 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×428345543824³ (a number of 36 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18150757 + ... + 18174340.

Almost surely, 2^428345543824 is an apocalyptic number.

428345543824 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

428345543824 is an abundant number, since it is smaller than the sum of its proper divisors (490534135184).

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

428345543824 is a wasteful number, since it uses less digits than its factorization.

428345543824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36325183 (or 36325177 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 52.

The spelling of 428345543824 in words is "four hundred twenty-eight billion, three hundred forty-five million, five hundred forty-three thousand, eight hundred twenty-four".