428233996402 has 8 divisors (see below), whose sum is σ = 646972225200. Its totient is φ = 212576588004.

The previous prime is 428233996357. The next prime is 428233996409. The reversal of 428233996402 is 204699332824.

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

It is a self number, because there is not a number n which added to its sum of digits gives 428233996402.

It is not an unprimeable number, because it can be changed into a prime (428233996409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770204752 + ... + 770205307.

It is an arithmetic number, because the mean of its divisors is an integer number (80871528150).

Almost surely, 2^428233996402 is an apocalyptic number.

428233996402 is a deficient number, since it is larger than the sum of its proper divisors (218738228798).

428233996402 is a wasteful number, since it uses less digits than its factorization.

428233996402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540410200.

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 428233996402 in words is "four hundred twenty-eight billion, two hundred thirty-three million, nine hundred ninety-six thousand, four hundred two".