263407480 has 64 divisors (see below), whose sum is σ = 678767040. Its totient is φ = 90120192.

The previous prime is 263407471. The next prime is 263407481. The reversal of 263407480 is 84704362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263407481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215832 + ... + 217048.

It is an arithmetic number, because the mean of its divisors is an integer number (10605735).

Almost surely, 2^263407480 is an apocalyptic number.

263407480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263407480 is an abundant number, since it is smaller than the sum of its proper divisors (415359560).

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

263407480 is a wasteful number, since it uses less digits than its factorization.

263407480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008 (or 2004 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 263407480 is about 16229.8330244029. The cubic root of 263407480 is about 641.0265751251.

The spelling of 263407480 in words is "two hundred sixty-three million, four hundred seven thousand, four hundred eighty".