263894460480 has 168 divisors, whose sum is σ = 1037356636992. Its totient is φ = 60318729216.

The previous prime is 263894460463. The next prime is 263894460481. The reversal of 263894460480 is 84064498362.

263894460480 is a `hidden beast` number, since 2 + 6 + 38 + 94 + 46 + 0 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is not an unprimeable number, because it can be changed into a prime (263894460481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6524842 + ... + 6565161.

Almost surely, 2^263894460480 is an apocalyptic number.

263894460480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263894460480 is an abundant number, since it is smaller than the sum of its proper divisors (773462176512).

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

263894460480 is a wasteful number, since it uses less digits than its factorization.

263894460480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13090033 (or 13090020 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

The spelling of 263894460480 in words is "two hundred sixty-three billion, eight hundred ninety-four million, four hundred sixty thousand, four hundred eighty".