1284196480 has 64 divisors (see below), whose sum is σ = 3508620480. Its totient is φ = 440294400.

The previous prime is 1284196469. The next prime is 1284196549. The reversal of 1284196480 is 846914821.

It is a tau number, because it is divible by the number of its divisors (64).

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, 138846 + ... + 147805.

It is an arithmetic number, because the mean of its divisors is an integer number (54822195).

Almost surely, 2^1284196480 is an apocalyptic number.

1284196480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1284196480 is an abundant number, since it is smaller than the sum of its proper divisors (2224424000).

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

1284196480 is an equidigital number, since it uses as much as digits as its factorization.

1284196480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286677 (or 286665 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 1284196480 is about 35835.6872405149. The cubic root of 1284196480 is about 1086.9523147005.

The spelling of 1284196480 in words is "one billion, two hundred eighty-four million, one hundred ninety-six thousand, four hundred eighty".