2669086720 has 96 divisors (see below), whose sum is σ = 6510755160. Its totient is φ = 1049886720.

The previous prime is 2669086703. The next prime is 2669086733. The reversal of 2669086720 is 276809662.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1071645696 + 1597441024 = 32736^2 + 39968^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622504 + ... + 626776.

Almost surely, 2^2669086720 is an apocalyptic number.

2669086720 is a gapful number since it is divisible by the number (20) 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 2669086720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3255377580).

2669086720 is an abundant number, since it is smaller than the sum of its proper divisors (3841668440).

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

2669086720 is an equidigital number, since it uses as much as digits as its factorization.

2669086720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361 (or 4341 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 2669086720 is about 51663.2047012184. The cubic root of 2669086720 is about 1387.1419146816.

The spelling of 2669086720 in words is "two billion, six hundred sixty-nine million, eighty-six thousand, seven hundred twenty".