1288004844 has 48 divisors (see below), whose sum is σ = 3448101888. Its totient is φ = 366563328.

The previous prime is 1288004821. The next prime is 1288004863. The reversal of 1288004844 is 4484008821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8244 + ... + 51419.

It is an arithmetic number, because the mean of its divisors is an integer number (71835456).

Almost surely, 2^1288004844 is an apocalyptic number.

1288004844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1288004844 is an abundant number, since it is smaller than the sum of its proper divisors (2160097044).

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

1288004844 is a wasteful number, since it uses less digits than its factorization.

1288004844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59934 (or 59932 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 39.

The square root of 1288004844 is about 35888.7843761808. The cubic root of 1288004844 is about 1088.0257290538.

The spelling of 1288004844 in words is "one billion, two hundred eighty-eight million, four thousand, eight hundred forty-four".