266046040644 has 24 divisors (see below), whose sum is σ = 620832233280. Its totient is φ = 88673708064.

The previous prime is 266046040627. The next prime is 266046040709. The reversal of 266046040644 is 446040640662.

266046040644 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 266046040596 and 266046040605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904024 + ... + 1161615.

It is an arithmetic number, because the mean of its divisors is an integer number (25868009720).

Almost surely, 2^266046040644 is an apocalyptic number.

It is an amenable number.

266046040644 is an abundant number, since it is smaller than the sum of its proper divisors (354786192636).

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

266046040644 is a wasteful number, since it uses less digits than its factorization.

266046040644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076379 (or 2076377 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 266046040644 in words is "two hundred sixty-six billion, forty-six million, forty thousand, six hundred forty-four".