428205654448 has 40 divisors (see below), whose sum is σ = 974691896976. Its totient is φ = 179666707200.

The previous prime is 428205654439. The next prime is 428205654469. The reversal of 428205654448 is 844456502824.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 428205654395 and 428205654404.

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, 93574123 + ... + 93578698.

Almost surely, 2^428205654448 is an apocalyptic number.

It is an amenable number.

428205654448 is an abundant number, since it is smaller than the sum of its proper divisors (546486242528).

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

428205654448 is a wasteful number, since it uses less digits than its factorization.

428205654448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187152853 (or 187152847 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 52.

The spelling of 428205654448 in words is "four hundred twenty-eight billion, two hundred five million, six hundred fifty-four thousand, four hundred forty-eight".