662279280 has 160 divisors (see below), whose sum is σ = 2271146304. Its totient is φ = 158588928.

The previous prime is 662279279. The next prime is 662279297. The reversal of 662279280 is 82972266.

662279280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×662279280² = 877227689434636800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112572 + ... + 118308.

Almost surely, 2^662279280 is an apocalyptic number.

662279280 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 662279280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1135573152).

662279280 is an abundant number, since it is smaller than the sum of its proper divisors (1608867024).

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

662279280 is a wasteful number, since it uses less digits than its factorization.

662279280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5803 (or 5797 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 662279280 is about 25734.7873509769. The cubic root of 662279280 is about 871.6598777338.

The spelling of 662279280 in words is "six hundred sixty-two million, two hundred seventy-nine thousand, two hundred eighty".