800900989488 has 120 divisors (see below), whose sum is σ = 2277757682928. Its totient is φ = 262672306176.

The previous prime is 800900989481. The next prime is 800900989561. The reversal of 800900989488 is 884989009008.

It is a super-5 number, since 5×800900989488⁵ (a number of 61 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (800900989481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2049631 + ... + 2408897.

Almost surely, 2^800900989488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800900989488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1138878841464).

800900989488 is an abundant number, since it is smaller than the sum of its proper divisors (1476856693440).

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

800900989488 is a wasteful number, since it uses less digits than its factorization.

800900989488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359531 (or 359522 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 63.

The spelling of 800900989488 in words is "eight hundred billion, nine hundred million, nine hundred eighty-nine thousand, four hundred eighty-eight".