428142448 has 10 divisors (see below), whose sum is σ = 829526024. Its totient is φ = 214071216.

The previous prime is 428142439. The next prime is 428142479. The reversal of 428142448 is 844241824.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13379436 + ... + 13379467.

Almost surely, 2^428142448 is an apocalyptic number.

It is an amenable number.

428142448 is a deficient number, since it is larger than the sum of its proper divisors (401383576).

428142448 is a wasteful number, since it uses less digits than its factorization.

428142448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26758911 (or 26758905 counting only the distinct ones).

The product of its digits is 65536, while the sum is 37.

The square root of 428142448 is about 20691.6033211542. The cubic root of 428142448 is about 753.6958014139.

The spelling of 428142448 in words is "four hundred twenty-eight million, one hundred forty-two thousand, four hundred forty-eight".