268308562380 has 48 divisors (see below), whose sum is σ = 751505211744. Its totient is φ = 71525975040.

The previous prime is 268308562373. The next prime is 268308562381. The reversal of 268308562380 is 83265803862.

It is not an unprimeable number, because it can be changed into a prime (268308562381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529147 + ... + 903666.

It is an arithmetic number, because the mean of its divisors is an integer number (15656358578).

Almost surely, 2^268308562380 is an apocalyptic number.

268308562380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268308562380 is an abundant number, since it is smaller than the sum of its proper divisors (483196649364).

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

268308562380 is a wasteful number, since it uses less digits than its factorization.

268308562380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435946 (or 1435944 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 268308562380 in words is "two hundred sixty-eight billion, three hundred eight million, five hundred sixty-two thousand, three hundred eighty".