1284257980008 has 48 divisors (see below), whose sum is σ = 3478303572900. Its totient is φ = 428073085440.

The previous prime is 1284257980001. The next prime is 1284257980039. The reversal of 1284257980008 is 8000897524821.

1284257980008 is a `hidden beast` number, since 1 + 28 + 42 + 579 + 8 + 0 + 0 + 0 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1284228364644 + 29615364 = 1133238^2 + 5442^2 .

It is not an unprimeable number, because it can be changed into a prime (1284257980001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2305488 + ... + 2807808.

Almost surely, 2^{1284257980008} is an apocalyptic number.

1284257980008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1284257980008 is an abundant number, since it is smaller than the sum of its proper divisors (2194045592892).

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

1284257980008 is a wasteful number, since it uses less digits than its factorization.

1284257980008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537842 (or 537835 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 1284257980008 in words is "one trillion, two hundred eighty-four billion, two hundred fifty-seven million, nine hundred eighty thousand, eight".