428725557204 has 96 divisors (see below), whose sum is σ = 1182022582272. Its totient is φ = 118353312000.

The previous prime is 428725557179. The next prime is 428725557223. The reversal of 428725557204 is 402755527824.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 1512664 + ... + 1773584.

It is an arithmetic number, because the mean of its divisors is an integer number (12312735232).

Almost surely, 2^428725557204 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 428725557204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591011291136).

428725557204 is an abundant number, since it is smaller than the sum of its proper divisors (753297025068).

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

428725557204 is a wasteful number, since it uses less digits than its factorization.

428725557204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261597 (or 261595 counting only the distinct ones).

The product of its (nonzero) digits is 6272000, while the sum is 51.

The spelling of 428725557204 in words is "four hundred twenty-eight billion, seven hundred twenty-five million, five hundred fifty-seven thousand, two hundred four".