428070379028 has 48 divisors (see below), whose sum is σ = 763680960000. Its totient is φ = 209909602560.

The previous prime is 428070379001. The next prime is 428070379049. The reversal of 428070379028 is 820973070824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74457098 + ... + 74462846.

It is an arithmetic number, because the mean of its divisors is an integer number (15910020000).

Almost surely, 2^428070379028 is an apocalyptic number.

It is an amenable number.

428070379028 is a deficient number, since it is larger than the sum of its proper divisors (335610580972).

428070379028 is a wasteful number, since it uses less digits than its factorization.

428070379028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7160 (or 7158 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 428070379028 in words is "four hundred twenty-eight billion, seventy million, three hundred seventy-nine thousand, twenty-eight".