428860549216 has 48 divisors (see below), whose sum is σ = 922126418640. Its totient is φ = 194714196480.

The previous prime is 428860549211. The next prime is 428860549237. The reversal of 428860549216 is 612945068824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428860549211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385911 + ... + 1003318.

It is an arithmetic number, because the mean of its divisors is an integer number (19210967055).

Almost surely, 2^428860549216 is an apocalyptic number.

It is an amenable number.

428860549216 is an abundant number, since it is smaller than the sum of its proper divisors (493265869424).

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

428860549216 is a wasteful number, since it uses less digits than its factorization.

428860549216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390127 (or 1390119 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 428860549216 in words is "four hundred twenty-eight billion, eight hundred sixty million, five hundred forty-nine thousand, two hundred sixteen".