428063265 has 96 divisors (see below), whose sum is σ = 892920960. Its totient is φ = 193995648.

The previous prime is 428063239. The next prime is 428063267. The reversal of 428063265 is 562360824.

It is not a de Polignac number, because 428063265 - 2¹³ = 428055073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428063267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1078047 + ... + 1078443.

It is an arithmetic number, because the mean of its divisors is an integer number (9301260).

Almost surely, 2^428063265 is an apocalyptic number.

428063265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

428063265 is an abundant number, since it is smaller than the sum of its proper divisors (464857695).

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

428063265 is a wasteful number, since it uses less digits than its factorization.

428063265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 428063265 is about 20689.6898236779. The cubic root of 428063265 is about 753.6493343448.

The spelling of 428063265 in words is "four hundred twenty-eight million, sixty-three thousand, two hundred sixty-five".