428030448 has 40 divisors (see below), whose sum is σ = 1114202496. Its totient is φ = 141585600.

The previous prime is 428030443. The next prime is 428030479. The reversal of 428030448 is 844030824.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428030441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27748 + ... + 40323.

Almost surely, 2^428030448 is an apocalyptic number.

428030448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

428030448 is an abundant number, since it is smaller than the sum of its proper divisors (686172048).

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

428030448 is a wasteful number, since it uses less digits than its factorization.

428030448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68213 (or 68207 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 428030448 is about 20688.8967323055. The cubic root of 428030448 is about 753.6300746198.

The spelling of 428030448 in words is "four hundred twenty-eight million, thirty thousand, four hundred forty-eight".