662249280 has 672 divisors, whose sum is σ = 2874580992. Its totient is φ = 125337600.

The previous prime is 662249251. The next prime is 662249303. The reversal of 662249280 is 82942266.

662249280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (672).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21362865 + ... + 21362895.

Almost surely, 2^662249280 is an apocalyptic number.

662249280 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 662249280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1437290496).

662249280 is an abundant number, since it is smaller than the sum of its proper divisors (2212331712).

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

662249280 is a wasteful number, since it uses less digits than its factorization.

662249280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 662249280 is about 25734.2044757556. The cubic root of 662249280 is about 871.6467160199.

It can be divided in two parts, 662 and 249280, that added together give a palindrome (249942).

The spelling of 662249280 in words is "six hundred sixty-two million, two hundred forty-nine thousand, two hundred eighty".