268042458819 has 16 divisors (see below), whose sum is σ = 358562121120. Its totient is φ = 178109026560.

The previous prime is 268042458791. The next prime is 268042458881. The reversal of 268042458819 is 918854240862.

It is not a de Polignac number, because 268042458819 - 2⁵ = 268042458787 is a prime.

It is a super-2 number, since 2×268042458819² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268042458889) 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, 11713449 + ... + 11736309.

It is an arithmetic number, because the mean of its divisors is an integer number (22410132570).

Almost surely, 2^268042458819 is an apocalyptic number.

268042458819 is a deficient number, since it is larger than the sum of its proper divisors (90519662301).

268042458819 is a wasteful number, since it uses less digits than its factorization.

268042458819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35510.

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 268042458819 in words is "two hundred sixty-eight billion, forty-two million, four hundred fifty-eight thousand, eight hundred nineteen".