428324028142 has 8 divisors (see below), whose sum is σ = 642497967000. Its totient is φ = 214158039144.

The previous prime is 428324028127. The next prime is 428324028199. The reversal of 428324028142 is 241820423824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×428324028142² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 428324028095 and 428324028104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1850892 + ... + 2069407.

It is an arithmetic number, because the mean of its divisors is an integer number (80312245875).

Almost surely, 2^428324028142 is an apocalyptic number.

428324028142 is a deficient number, since it is larger than the sum of its proper divisors (214173938858).

428324028142 is a wasteful number, since it uses less digits than its factorization.

428324028142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974930.

The product of its (nonzero) digits is 196608, while the sum is 40.

The spelling of 428324028142 in words is "four hundred twenty-eight billion, three hundred twenty-four million, twenty-eight thousand, one hundred forty-two".