428161658592 has 24 divisors (see below), whose sum is σ = 1123924354056. Its totient is φ = 142720552832.

The previous prime is 428161658569. The next prime is 428161658593. The reversal of 428161658592 is 295856161824.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428161658593) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2230008543 + ... + 2230008734.

It is an arithmetic number, because the mean of its divisors is an integer number (46830181419).

Almost surely, 2^428161658592 is an apocalyptic number.

It is an amenable number.

428161658592 is an abundant number, since it is smaller than the sum of its proper divisors (695762695464).

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

428161658592 is a wasteful number, since it uses less digits than its factorization.

428161658592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460017290 (or 4460017282 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 57.

The spelling of 428161658592 in words is "four hundred twenty-eight billion, one hundred sixty-one million, six hundred fifty-eight thousand, five hundred ninety-two".