8428905474 has 64 divisors (see below), whose sum is σ = 18848471040. Its totient is φ = 2491369920.

The previous prime is 8428905431. The next prime is 8428905503. The reversal of 8428905474 is 4745098248.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423024 + ... + 442500.

It is an arithmetic number, because the mean of its divisors is an integer number (294507360).

Almost surely, 2^8428905474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8428905474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9424235520).

8428905474 is an abundant number, since it is smaller than the sum of its proper divisors (10419565566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8428905474 is a wasteful number, since it uses less digits than its factorization.

8428905474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19655.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The square root of 8428905474 is about 91809.0707610092. The cubic root of 8428905474 is about 2035.1217440501.

The spelling of 8428905474 in words is "eight billion, four hundred twenty-eight million, nine hundred five thousand, four hundred seventy-four".