1284423870280 has 32 divisors (see below), whose sum is σ = 2904927579000. Its totient is φ = 511107526656.

The previous prime is 1284423870241. The next prime is 1284423870451. The reversal of 1284423870280 is 820783244821.

It can be written as a sum of positive squares in 4 ways, for example, as 1137580097476 + 146843772804 = 1066574^2 + 383202^2 .

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, 83180355 + ... + 83195794.

Almost surely, 2^{1284423870280} is an apocalyptic number.

1284423870280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1284423870280 is an abundant number, since it is smaller than the sum of its proper divisors (1620503708720).

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

1284423870280 is a wasteful number, since it uses less digits than its factorization.

1284423870280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166376353 (or 166376349 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 49.

The spelling of 1284423870280 in words is "one trillion, two hundred eighty-four billion, four hundred twenty-three million, eight hundred seventy thousand, two hundred eighty".