263622283872 has 24 divisors (see below), whose sum is σ = 692008495416. Its totient is φ = 87874094592.

The previous prime is 263622283811. The next prime is 263622283879. The reversal of 263622283872 is 278382226362.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263622283879) 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 3 ways as a sum of consecutive naturals, for example, 1373032633 + ... + 1373032824.

It is an arithmetic number, because the mean of its divisors is an integer number (28833687309).

Almost surely, 2^263622283872 is an apocalyptic number.

It is an amenable number.

263622283872 is an abundant number, since it is smaller than the sum of its proper divisors (428386211544).

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

263622283872 is a wasteful number, since it uses less digits than its factorization.

263622283872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746065470 (or 2746065462 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 51.

The spelling of 263622283872 in words is "two hundred sixty-three billion, six hundred twenty-two million, two hundred eighty-three thousand, eight hundred seventy-two".