1428916330 has 16 divisors (see below), whose sum is σ = 2574520200. Its totient is φ = 571017472.

The previous prime is 1428916259. The next prime is 1428916343. The reversal of 1428916330 is 336198241.

It can be written as a sum of positive squares in 4 ways, for example, as 1428915601 + 729 = 37801^2 + 27^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1428916330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57619 + ... + 78598.

Almost surely, 2^1428916330 is an apocalyptic number.

1428916330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1428916330 is a deficient number, since it is larger than the sum of its proper divisors (1145603870).

1428916330 is a wasteful number, since it uses less digits than its factorization.

1428916330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137273.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1428916330 is about 37801.0096426008. The cubic root of 1428916330 is about 1126.3385102011.

The spelling of 1428916330 in words is "one billion, four hundred twenty-eight million, nine hundred sixteen thousand, three hundred thirty".