428480626 has 16 divisors (see below), whose sum is σ = 759867840. Its totient is φ = 177302160.

The previous prime is 428480617. The next prime is 428480629. The reversal of 428480626 is 626084824.

It is not an unprimeable number, because it can be changed into a prime (428480629) 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, 527280 + ... + 528091.

It is an arithmetic number, because the mean of its divisors is an integer number (47491740).

Almost surely, 2^428480626 is an apocalyptic number.

428480626 is a deficient number, since it is larger than the sum of its proper divisors (331387214).

428480626 is a wasteful number, since it uses less digits than its factorization.

428480626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055409.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 428480626 is about 20699.7735736408. The cubic root of 428480626 is about 753.8941904166.

The spelling of 428480626 in words is "four hundred twenty-eight million, four hundred eighty thousand, six hundred twenty-six".