428977480 has 16 divisors (see below), whose sum is σ = 965199420. Its totient is φ = 171590976.

The previous prime is 428977477. The next prime is 428977481. The reversal of 428977480 is 84779824.

It can be written as a sum of positive squares in 2 ways, for example, as 411521796 + 17455684 = 20286^2 + 4178^2 .

It is not an unprimeable number, because it can be changed into a prime (428977481) 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 3 ways as a sum of consecutive naturals, for example, 5362179 + ... + 5362258.

Almost surely, 2^428977480 is an apocalyptic number.

428977480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

428977480 is an abundant number, since it is smaller than the sum of its proper divisors (536221940).

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

428977480 is a wasteful number, since it uses less digits than its factorization.

428977480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10724448 (or 10724444 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 428977480 is about 20711.7715321505. The cubic root of 428977480 is about 754.1854759748.

The spelling of 428977480 in words is "four hundred twenty-eight million, nine hundred seventy-seven thousand, four hundred eighty".