289626626982 has 32 divisors (see below), whose sum is σ = 722185876224. Its totient is φ = 75227695200.

The previous prime is 289626626981. The next prime is 289626627013.

289626626982 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289626626981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313448269 + ... + 313449192.

It is an arithmetic number, because the mean of its divisors is an integer number (22568308632).

Almost surely, 2^289626626982 is an apocalyptic number.

289626626982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

289626626982 is an abundant number, since it is smaller than the sum of its proper divisors (432559249242).

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

289626626982 is a wasteful number, since it uses less digits than its factorization.

289626626982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626897484.

The product of its digits is 107495424, while the sum is 66.

The spelling of 289626626982 in words is "two hundred eighty-nine billion, six hundred twenty-six million, six hundred twenty-six thousand, nine hundred eighty-two".