662220260 has 48 divisors (see below), whose sum is σ = 1505280000. Its totient is φ = 243264384.

The previous prime is 662220259. The next prime is 662220277. The reversal of 662220260 is 62022266.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 15 ways as a sum of consecutive naturals, for example, 45341 + ... + 58139.

It is an arithmetic number, because the mean of its divisors is an integer number (31360000).

Almost surely, 2^662220260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662220260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (752640000).

662220260 is an abundant number, since it is smaller than the sum of its proper divisors (843059740).

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

662220260 is a wasteful number, since it uses less digits than its factorization.

662220260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13020 (or 13018 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 662220260 is about 25733.6406285624. The cubic root of 662220260 is about 871.6339838771.

The spelling of 662220260 in words is "six hundred sixty-two million, two hundred twenty thousand, two hundred sixty".