266046343663340 has 24 divisors (see below), whose sum is σ = 577962746580240. Its totient is φ = 102748932724928.

The previous prime is 266046343663339. The next prime is 266046343663489. The reversal of 266046343663340 is 43366343640662.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229350295682 + ... + 229350296841.

It is an arithmetic number, because the mean of its divisors is an integer number (24081781107510).

Almost surely, 2^{266046343663340} is an apocalyptic number.

266046343663340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266046343663340 is an abundant number, since it is smaller than the sum of its proper divisors (311916402916900).

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

266046343663340 is a wasteful number, since it uses less digits than its factorization.

266046343663340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458700592561 (or 458700592559 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 56.

The spelling of 266046343663340 in words is "two hundred sixty-six trillion, forty-six billion, three hundred forty-three million, six hundred sixty-three thousand, three hundred forty".