268773723780 has 24 divisors (see below), whose sum is σ = 752566426752. Its totient is φ = 71672992992.

The previous prime is 268773723773. The next prime is 268773723781. The reversal of 268773723780 is 87327377862.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 4479562063 = 268773723780 / (2 + 6 + 8 + 7 + 7 + 3 + 7 + 2 + 3 + 7 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (268773723781) 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, 2239780972 + ... + 2239781091.

It is an arithmetic number, because the mean of its divisors is an integer number (31356934448).

Almost surely, 2^268773723780 is an apocalyptic number.

268773723780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268773723780 is an abundant number, since it is smaller than the sum of its proper divisors (483792702972).

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

268773723780 is a wasteful number, since it uses less digits than its factorization.

268773723780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479562075 (or 4479562073 counting only the distinct ones).

The product of its (nonzero) digits is 33191424, while the sum is 60.

The spelling of 268773723780 in words is "two hundred sixty-eight billion, seven hundred seventy-three million, seven hundred twenty-three thousand, seven hundred eighty".