263060340 has 48 divisors (see below), whose sum is σ = 740855808. Its totient is φ = 69741184.

The previous prime is 263060333. The next prime is 263060341. The reversal of 263060340 is 43060362.

It is a self number, because there is not a number n which added to its sum of digits gives 263060340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263060341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2292 + ... + 23051.

It is an arithmetic number, because the mean of its divisors is an integer number (15434496).

Almost surely, 2^263060340 is an apocalyptic number.

263060340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263060340 is an abundant number, since it is smaller than the sum of its proper divisors (477795468).

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

263060340 is a wasteful number, since it uses less digits than its factorization.

263060340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25528 (or 25526 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 263060340 is about 16219.1349954306. The cubic root of 263060340 is about 640.7448521823.

The spelling of 263060340 in words is "two hundred sixty-three million, sixty thousand, three hundred forty".