263881325424 has 40 divisors (see below), whose sum is σ = 687061104640. Its totient is φ = 87267837888.

The previous prime is 263881325423. The next prime is 263881325503. The reversal of 263881325424 is 424523188362.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263881325423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21637714 + ... + 21649905.

It is an arithmetic number, because the mean of its divisors is an integer number (17176527616).

Almost surely, 2^263881325424 is an apocalyptic number.

263881325424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

263881325424 is an abundant number, since it is smaller than the sum of its proper divisors (423179779216).

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

263881325424 is a wasteful number, since it uses less digits than its factorization.

263881325424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43287757 (or 43287751 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 48.

The spelling of 263881325424 in words is "two hundred sixty-three billion, eight hundred eighty-one million, three hundred twenty-five thousand, four hundred twenty-four".