428540048 has 20 divisors (see below), whose sum is σ = 866396928. Its totient is φ = 204953760.

The previous prime is 428540009. The next prime is 428540051. The reversal of 428540048 is 840045824.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581888 + ... + 582623.

Almost surely, 2^428540048 is an apocalyptic number.

It is an amenable number.

428540048 is an abundant number, since it is smaller than the sum of its proper divisors (437856880).

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

428540048 is a wasteful number, since it uses less digits than its factorization.

428540048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164542 (or 1164536 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 428540048 is about 20701.2088535911. The cubic root of 428540048 is about 753.9290390010.

The spelling of 428540048 in words is "four hundred twenty-eight million, five hundred forty thousand, forty-eight".