268395402 has 16 divisors (see below), whose sum is σ = 585590112. Its totient is φ = 81331920.

The previous prime is 268395401. The next prime is 268395437. The reversal of 268395402 is 204593862.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (268395401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2033233 + ... + 2033364.

It is an arithmetic number, because the mean of its divisors is an integer number (36599382).

Almost surely, 2^268395402 is an apocalyptic number.

268395402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

268395402 is an abundant number, since it is smaller than the sum of its proper divisors (317194710).

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

268395402 is a wasteful number, since it uses less digits than its factorization.

268395402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066613.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 268395402 is about 16382.7776033248. Note that the first 3 decimals coincide. The cubic root of 268395402 is about 645.0474912450.

The spelling of 268395402 in words is "two hundred sixty-eight million, three hundred ninety-five thousand, four hundred two".