428002680002 has 8 divisors (see below), whose sum is σ = 669917238336. Its totient is φ = 204696933892.

The previous prime is 428002679999. The next prime is 428002680023. The reversal of 428002680002 is 200086200824.

It is a happy number.

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

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, 4652202998 + ... + 4652203089.

It is an arithmetic number, because the mean of its divisors is an integer number (83739654792).

Almost surely, 2^428002680002 is an apocalyptic number.

428002680002 is a deficient number, since it is larger than the sum of its proper divisors (241914558334).

428002680002 is a wasteful number, since it uses less digits than its factorization.

428002680002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9304406112.

The product of its (nonzero) digits is 12288, while the sum is 32.

Adding to 428002680002 its reverse (200086200824), we get a palindrome (628088880826).

The spelling of 428002680002 in words is "four hundred twenty-eight billion, two million, six hundred eighty thousand, two".