266014520216240 has 20 divisors (see below), whose sum is σ = 618483759502944. Its totient is φ = 106405808086464.

The previous prime is 266014520216227. The next prime is 266014520216261. The reversal of 266014520216240 is 42612025410662.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662590751272 + ... + 1662590751431.

Almost surely, 2^{266014520216240} is an apocalyptic number.

266014520216240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266014520216240 is an abundant number, since it is smaller than the sum of its proper divisors (352469239286704).

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

266014520216240 is a wasteful number, since it uses less digits than its factorization.

266014520216240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325181502716 (or 3325181502710 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 266014520216240 in words is "two hundred sixty-six trillion, fourteen billion, five hundred twenty million, two hundred sixteen thousand, two hundred forty".