420338833028 has 24 divisors (see below), whose sum is σ = 768446663040. Its totient is φ = 200803391360.

The previous prime is 420338832863. The next prime is 420338833049. The reversal of 420338833028 is 820338833024.

It is a self number, because there is not a number n which added to its sum of digits gives 420338833028.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2511968 + ... + 2674071.

It is an arithmetic number, because the mean of its divisors is an integer number (32018610960).

Almost surely, 2^420338833028 is an apocalyptic number.

It is an amenable number.

420338833028 is a deficient number, since it is larger than the sum of its proper divisors (348107830012).

420338833028 is a wasteful number, since it uses less digits than its factorization.

420338833028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186947 (or 5186945 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 420338833028 in words is "four hundred twenty billion, three hundred thirty-eight million, eight hundred thirty-three thousand, twenty-eight".