262720140 has 48 divisors (see below), whose sum is σ = 740156928. Its totient is φ = 69626304.

The previous prime is 262720127. The next prime is 262720187. The reversal of 262720140 is 41027262.

262720140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 262720140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3652 + ... + 23211.

It is an arithmetic number, because the mean of its divisors is an integer number (15419936).

Almost surely, 2^262720140 is an apocalyptic number.

262720140 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 262720140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370078464).

262720140 is an abundant number, since it is smaller than the sum of its proper divisors (477436788).

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

262720140 is a wasteful number, since it uses less digits than its factorization.

262720140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27038 (or 27036 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 262720140 is about 16208.6439901677. The cubic root of 262720140 is about 640.4685208614.

The spelling of 262720140 in words is "two hundred sixty-two million, seven hundred twenty thousand, one hundred forty".