428652521948 has 72 divisors (see below), whose sum is σ = 901176675840. Its totient is φ = 177700491360.

The previous prime is 428652521923. The next prime is 428652521951. The reversal of 428652521948 is 849125256824.

It is a junction number, because it is equal to n+sod(n) for n = 428652521893 and 428652521902.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 14245343 + ... + 14275401.

It is an arithmetic number, because the mean of its divisors is an integer number (12516342720).

Almost surely, 2^428652521948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428652521948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450588337920).

428652521948 is an abundant number, since it is smaller than the sum of its proper divisors (472524153892).

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

428652521948 is a wasteful number, since it uses less digits than its factorization.

428652521948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32455 (or 32446 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 56.

The spelling of 428652521948 in words is "four hundred twenty-eight billion, six hundred fifty-two million, five hundred twenty-one thousand, nine hundred forty-eight".