268045155457 has 16 divisors (see below), whose sum is σ = 277350936832. Its totient is φ = 258854641920.

The previous prime is 268045155401. The next prime is 268045155461. The reversal of 268045155457 is 754551540862.

It is a cyclic number.

It is not a de Polignac number, because 268045155457 - 2¹⁵ = 268045122689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268045158457) 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, 2818393 + ... + 2911945.

It is an arithmetic number, because the mean of its divisors is an integer number (17334433552).

Almost surely, 2^268045155457 is an apocalyptic number.

It is an amenable number.

268045155457 is a deficient number, since it is larger than the sum of its proper divisors (9305781375).

268045155457 is a wasteful number, since it uses less digits than its factorization.

268045155457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94168.

The product of its (nonzero) digits is 6720000, while the sum is 52.

The spelling of 268045155457 in words is "two hundred sixty-eight billion, forty-five million, one hundred fifty-five thousand, four hundred fifty-seven".