263342480 has 20 divisors (see below), whose sum is σ = 612271452. Its totient is φ = 105336960.

The previous prime is 263342477. The next prime is 263342509. The reversal of 263342480 is 84243362.

263342480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 173396224 + 89946256 = 13168^2 + 9484^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 1645811 + ... + 1645970.

Almost surely, 2^263342480 is an apocalyptic number.

263342480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263342480 is an abundant number, since it is smaller than the sum of its proper divisors (348928972).

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

263342480 is a wasteful number, since it uses less digits than its factorization.

263342480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291794 (or 3291788 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 263342480 is about 16227.8304156779. The cubic root of 263342480 is about 640.9738429410.

The spelling of 263342480 in words is "two hundred sixty-three million, three hundred forty-two thousand, four hundred eighty".