428070512 has 20 divisors (see below), whose sum is σ = 831379080. Its totient is φ = 213521088.

The previous prime is 428070499. The next prime is 428070521. The reversal of 428070512 is 215070824.

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, 25223 + ... + 38630.

It is an arithmetic number, because the mean of its divisors is an integer number (41568954).

Almost surely, 2^428070512 is an apocalyptic number.

It is an amenable number.

428070512 is a deficient number, since it is larger than the sum of its proper divisors (403308568).

428070512 is a wasteful number, since it uses less digits than its factorization.

428070512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64280 (or 64274 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 428070512 is about 20689.8649584767. The cubic root of 428070512 is about 753.6535873500.

The spelling of 428070512 in words is "four hundred twenty-eight million, seventy thousand, five hundred twelve".