268601497392 has 80 divisors (see below), whose sum is σ = 718857577472. Its totient is φ = 86332711680.

The previous prime is 268601497321. The next prime is 268601497397. The reversal of 268601497392 is 293794106862.

It is not an unprimeable number, because it can be changed into a prime (268601497397) 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, 86343 + ... + 738009.

Almost surely, 2^268601497392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268601497392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359428788736).

268601497392 is an abundant number, since it is smaller than the sum of its proper divisors (450256080080).

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

268601497392 is a wasteful number, since it uses less digits than its factorization.

268601497392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651986 (or 651980 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 268601497392 in words is "two hundred sixty-eight billion, six hundred one million, four hundred ninety-seven thousand, three hundred ninety-two".