428070378452 has 12 divisors (see below), whose sum is σ = 749209339200. Its totient is φ = 214010567256.

The previous prime is 428070378443. The next prime is 428070378469. The reversal of 428070378452 is 254873070824.

It is a self number, because there is not a number n which added to its sum of digits gives 428070378452.

It is a congruent number.

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, 6116348 + ... + 6185939.

It is an arithmetic number, because the mean of its divisors is an integer number (62434111600).

Almost surely, 2^428070378452 is an apocalyptic number.

It is an amenable number.

428070378452 is a deficient number, since it is larger than the sum of its proper divisors (321138960748).

428070378452 is a wasteful number, since it uses less digits than its factorization.

428070378452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12310990 (or 12310988 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 50.

The spelling of 428070378452 in words is "four hundred twenty-eight billion, seventy million, three hundred seventy-eight thousand, four hundred fifty-two".