262243240 has 128 divisors (see below), whose sum is σ = 720783360. Its totient is φ = 83913984.

The previous prime is 262243237. The next prime is 262243271. The reversal of 262243240 is 42342262.

It is a super-3 number, since 3×262243240³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276447 + ... + 277393.

It is an arithmetic number, because the mean of its divisors is an integer number (5631120).

Almost surely, 2^262243240 is an apocalyptic number.

262243240 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 262243240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360391680).

262243240 is an abundant number, since it is smaller than the sum of its proper divisors (458540120).

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

262243240 is a wasteful number, since it uses less digits than its factorization.

262243240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 262243240 is about 16193.9260218145. The cubic root of 262243240 is about 640.0807515296.

The spelling of 262243240 in words is "two hundred sixty-two million, two hundred forty-three thousand, two hundred forty".