428589417678342 has 16 divisors (see below), whose sum is σ = 894447480372480. Its totient is φ = 136651698390152.

The previous prime is 428589417678313. The next prime is 428589417678349. The reversal of 428589417678342 is 243876714985824.

It is a super-3 number, since 3×428589417678342³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428589417678349) 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, 1552860208842 + ... + 1552860209117.

It is an arithmetic number, because the mean of its divisors is an integer number (55902967523280).

Almost surely, 2^{428589417678342} is an apocalyptic number.

428589417678342 is an abundant number, since it is smaller than the sum of its proper divisors (465858062694138).

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

428589417678342 is a wasteful number, since it uses less digits than its factorization.

428589417678342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105720417987.

The product of its digits is 5202247680, while the sum is 78.

The spelling of 428589417678342 in words is "four hundred twenty-eight trillion, five hundred eighty-nine billion, four hundred seventeen million, six hundred seventy-eight thousand, three hundred forty-two".