428549875244 has 96 divisors (see below), whose sum is σ = 799155044352. Its totient is φ = 200773440000.

The previous prime is 428549875241. The next prime is 428549875261. The reversal of 428549875244 is 442578945824.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is not an unprimeable number, because it can be changed into a prime (428549875241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247287002 + ... + 247288734.

It is an arithmetic number, because the mean of its divisors is an integer number (8324531712).

Almost surely, 2^428549875244 is an apocalyptic number.

It is an amenable number.

428549875244 is a deficient number, since it is larger than the sum of its proper divisors (370605169108).

428549875244 is a wasteful number, since it uses less digits than its factorization.

428549875244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247 (or 2245 counting only the distinct ones).

The product of its digits is 103219200, while the sum is 62.

The spelling of 428549875244 in words is "four hundred twenty-eight billion, five hundred forty-nine million, eight hundred seventy-five thousand, two hundred forty-four".