662869940460 has 288 divisors, whose sum is σ = 2325997578240. Its totient is φ = 138086747136.

The previous prime is 662869940441. The next prime is 662869940549. The reversal of 662869940460 is 64049968266.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 662869940394 and 662869940403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5548314 + ... + 5666526.

It is an arithmetic number, because the mean of its divisors is an integer number (8076380480).

Almost surely, 2^662869940460 is an apocalyptic number.

662869940460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662869940460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162998789120).

662869940460 is an abundant number, since it is smaller than the sum of its proper divisors (1663127637780).

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

662869940460 is a wasteful number, since it uses less digits than its factorization.

662869940460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118337 (or 118322 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 60.

The spelling of 662869940460 in words is "six hundred sixty-two billion, eight hundred sixty-nine million, nine hundred forty thousand, four hundred sixty".