428108340336 has 40 divisors (see below), whose sum is σ = 1107666604800. Its totient is φ = 142480837056.

The previous prime is 428108340329. The next prime is 428108340337. The reversal of 428108340336 is 633043801824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428108340337) 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, 6904536 + ... + 6966263.

It is an arithmetic number, because the mean of its divisors is an integer number (27691665120).

Almost surely, 2^428108340336 is an apocalyptic number.

It is an amenable number.

428108340336 is an abundant number, since it is smaller than the sum of its proper divisors (679558264464).

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

428108340336 is a wasteful number, since it uses less digits than its factorization.

428108340336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13871453 (or 13871447 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 428108340336 in words is "four hundred twenty-eight billion, one hundred eight million, three hundred forty thousand, three hundred thirty-six".