1428780484 has 6 divisors (see below), whose sum is σ = 2500365854. Its totient is φ = 714390240.

The previous prime is 1428780473. The next prime is 1428780503. The reversal of 1428780484 is 4840878241.

It can be written as a sum of positive squares in only one way, i.e., 1341170884 + 87609600 = 36622^2 + 9360^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178597557 + ... + 178597564.

Almost surely, 2^1428780484 is an apocalyptic number.

It is an amenable number.

1428780484 is a deficient number, since it is larger than the sum of its proper divisors (1071585370).

1428780484 is a wasteful number, since it uses less digits than its factorization.

1428780484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357195125 (or 357195123 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 46.

The square root of 1428780484 is about 37799.2127431247. The cubic root of 1428780484 is about 1126.3028156851.

The spelling of 1428780484 in words is "one billion, four hundred twenty-eight million, seven hundred eighty thousand, four hundred eighty-four".