263797480 has 32 divisors (see below), whose sum is σ = 594086400. Its totient is φ = 105422656.

The previous prime is 263797477. The next prime is 263797481. The reversal of 263797480 is 84797362.

It is a super-2 number, since 2×263797480² = 139178220908700800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 263797480.

It is not an unprimeable number, because it can be changed into a prime (263797481) 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 7 ways as a sum of consecutive naturals, for example, 55269 + ... + 59851.

It is an arithmetic number, because the mean of its divisors is an integer number (18565200).

Almost surely, 2^263797480 is an apocalyptic number.

263797480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263797480 is an abundant number, since it is smaller than the sum of its proper divisors (330288920).

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

263797480 is a wasteful number, since it uses less digits than its factorization.

263797480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6033 (or 6029 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 263797480 is about 16241.8434914267. The cubic root of 263797480 is about 641.3427861941.

The spelling of 263797480 in words is "two hundred sixty-three million, seven hundred ninety-seven thousand, four hundred eighty".