266468199408 has 60 divisors (see below), whose sum is σ = 769797033408. Its totient is φ = 85957482240.

The previous prime is 266468199323. The next prime is 266468199409. The reversal of 266468199408 is 804991864662.

266468199408 is a `hidden beast` number, since 2 + 6 + 64 + 6 + 81 + 99 + 408 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266468199409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29841885 + ... + 29850812.

Almost surely, 2^266468199408 is an apocalyptic number.

It is an amenable number.

266468199408 is an abundant number, since it is smaller than the sum of its proper divisors (503328834000).

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

266468199408 is a wasteful number, since it uses less digits than its factorization.

266468199408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59692742 (or 59692733 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 266468199408 in words is "two hundred sixty-six billion, four hundred sixty-eight million, one hundred ninety-nine thousand, four hundred eight".