428340135086 has 8 divisors (see below), whose sum is σ = 642534598224. Its totient is φ = 214161935680.

The previous prime is 428340135019. The next prime is 428340135109. The reversal of 428340135086 is 680531043824.

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

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, 3999875 + ... + 4105566.

It is an arithmetic number, because the mean of its divisors is an integer number (80316824778).

Almost surely, 2^428340135086 is an apocalyptic number.

428340135086 is a deficient number, since it is larger than the sum of its proper divisors (214194463138).

428340135086 is a wasteful number, since it uses less digits than its factorization.

428340135086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8131866.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 428340135086 in words is "four hundred twenty-eight billion, three hundred forty million, one hundred thirty-five thousand, eighty-six".