268378365 has 16 divisors (see below), whose sum is σ = 431568000. Its totient is φ = 142414272.

The previous prime is 268378361. The next prime is 268378381. The reversal of 268378365 is 563873862.

It is not a de Polignac number, because 268378365 - 2² = 268378361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268378361) 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, 41970 + ... + 47939.

It is an arithmetic number, because the mean of its divisors is an integer number (26973000).

Almost surely, 2^268378365 is an apocalyptic number.

It is an amenable number.

268378365 is a deficient number, since it is larger than the sum of its proper divisors (163189635).

268378365 is a wasteful number, since it uses less digits than its factorization.

268378365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90116.

The product of its digits is 1451520, while the sum is 48.

The square root of 268378365 is about 16382.2576283002. The cubic root of 268378365 is about 645.0338423442.

The spelling of 268378365 in words is "two hundred sixty-eight million, three hundred seventy-eight thousand, three hundred sixty-five".