263416254504 has 64 divisors (see below), whose sum is σ = 709449451200. Its totient is φ = 81022373376.

The previous prime is 263416254463. The next prime is 263416254511. The reversal of 263416254504 is 405452614362.

It is a happy number.

It is a super-2 number, since 2×263416254504² (a number of 24 digits) contains 22 as substring.

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, 738532 + ... + 1035500.

It is an arithmetic number, because the mean of its divisors is an integer number (11085147675).

Almost surely, 2^263416254504 is an apocalyptic number.

263416254504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

263416254504 is an abundant number, since it is smaller than the sum of its proper divisors (446033196696).

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

263416254504 is a wasteful number, since it uses less digits than its factorization.

263416254504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299834 (or 299830 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 263416254504 its reverse (405452614362), we get a palindrome (668868868866).

The spelling of 263416254504 in words is "two hundred sixty-three billion, four hundred sixteen million, two hundred fifty-four thousand, five hundred four".