263653460 has 48 divisors (see below), whose sum is σ = 633714816. Its totient is φ = 90260352.

The previous prime is 263653447. The next prime is 263653483. The reversal of 263653460 is 64356362.

263653460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 263653460.

It is a congruent number.

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, 152159 + ... + 153881.

It is an arithmetic number, because the mean of its divisors is an integer number (13202392).

Almost surely, 2^263653460 is an apocalyptic number.

263653460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263653460 is an abundant number, since it is smaller than the sum of its proper divisors (370061356).

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

263653460 is a wasteful number, since it uses less digits than its factorization.

263653460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832 (or 2830 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 263653460 is about 16237.4092761130. The cubic root of 263653460 is about 641.2260514395.

The spelling of 263653460 in words is "two hundred sixty-three million, six hundred fifty-three thousand, four hundred sixty".