989041000450 has 48 divisors (see below), whose sum is σ = 1889684577000. Its totient is φ = 384852971520.

The previous prime is 989041000429. The next prime is 989041000483. The reversal of 989041000450 is 54000140989.

It can be written as a sum of positive squares in 12 ways, for example, as 41749522929 + 947291477521 = 204327^2 + 973289^2 .

It is a super-2 number, since 2×989041000450² (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 (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10589154 + ... + 10682146.

Almost surely, 2^989041000450 is an apocalyptic number.

989041000450 is a deficient number, since it is larger than the sum of its proper divisors (900643576550).

989041000450 is a wasteful number, since it uses less digits than its factorization.

989041000450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98791 (or 98786 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 989041000450 in words is "nine hundred eighty-nine billion, forty-one million, four hundred fifty", and thus it is an aban number.