289142920060 has 24 divisors (see below), whose sum is σ = 612770780160. Its totient is φ = 114596092224.

The previous prime is 289142920049. The next prime is 289142920069. The reversal of 289142920060 is 60029241982.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 289142919989 and 289142920016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289142920069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66315004 + ... + 66319363.

It is an arithmetic number, because the mean of its divisors is an integer number (25532115840).

Almost surely, 2^289142920060 is an apocalyptic number.

289142920060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289142920060 is an abundant number, since it is smaller than the sum of its proper divisors (323627860100).

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

289142920060 is a wasteful number, since it uses less digits than its factorization.

289142920060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132634485 (or 132634483 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 289142920060 in words is "two hundred eighty-nine billion, one hundred forty-two million, nine hundred twenty thousand, sixty".