1285328004488 has 32 divisors (see below), whose sum is σ = 2629348452000. Its totient is φ = 584180348160.

The previous prime is 1285328004439. The next prime is 1285328004491. The reversal of 1285328004488 is 8844008235821.

It is a happy number.

It is a super-2 number, since 2×1285328004488² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126848 + ... + 1608336.

It is an arithmetic number, because the mean of its divisors is an integer number (82167139125).

Almost surely, 2^{1285328004488} is an apocalyptic number.

It is an amenable number.

1285328004488 is an abundant number, since it is smaller than the sum of its proper divisors (1344020447512).

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

1285328004488 is a wasteful number, since it uses less digits than its factorization.

1285328004488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491365 (or 1491361 counting only the distinct ones).

The product of its (nonzero) digits is 3932160, while the sum is 53.

The spelling of 1285328004488 in words is "one trillion, two hundred eighty-five billion, three hundred twenty-eight million, four thousand, four hundred eighty-eight".