1280418048 has 432 divisors, whose sum is σ = 4714085376. Its totient is φ = 325140480.

The previous prime is 1280418023. The next prime is 1280418091. The reversal of 1280418048 is 8408140821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6499486 + ... + 6499682.

Almost surely, 2^1280418048 is an apocalyptic number.

1280418048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1280418048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2357042688).

1280418048 is an abundant number, since it is smaller than the sum of its proper divisors (3433667328).

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

1280418048 is a wasteful number, since it uses less digits than its factorization.

1280418048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 1280418048 is about 35782.9295614543. The cubic root of 1280418048 is about 1085.8852376110.

Adding to 1280418048 its reverse (8408140821), we get a palindrome (9688558869).

The spelling of 1280418048 in words is "one billion, two hundred eighty million, four hundred eighteen thousand, forty-eight".