982145472990 has 64 divisors (see below), whose sum is σ = 2571559771392. Its totient is φ = 238084358400.

The previous prime is 982145472941. The next prime is 982145473003. The reversal of 982145472990 is 99274541289.

It is a super-2 number, since 2×982145472990² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8201445 + ... + 8320335.

It is an arithmetic number, because the mean of its divisors is an integer number (40180621428).

Almost surely, 2^982145472990 is an apocalyptic number.

982145472990 is an abundant number, since it is smaller than the sum of its proper divisors (1589414298402).

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

982145472990 is a wasteful number, since it uses less digits than its factorization.

982145472990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143945.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 982145472990 in words is "nine hundred eighty-two billion, one hundred forty-five million, four hundred seventy-two thousand, nine hundred ninety".