428549875242 has 8 divisors (see below), whose sum is σ = 857099750496. Its totient is φ = 142849958412.

The previous prime is 428549875241. The next prime is 428549875261. The reversal of 428549875242 is 242578945824.

It is a happy number.

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

428549875242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (428549875241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35712489598 + ... + 35712489609.

It is an arithmetic number, because the mean of its divisors is an integer number (107137468812).

Almost surely, 2^428549875242 is an apocalyptic number.

428549875242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

428549875242 is a wasteful number, since it uses less digits than its factorization.

428549875242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71424979212.

The product of its digits is 51609600, while the sum is 60.

The spelling of 428549875242 in words is "four hundred twenty-eight billion, five hundred forty-nine million, eight hundred seventy-five thousand, two hundred forty-two".