266006402464 has 48 divisors (see below), whose sum is σ = 573585528096. Its totient is φ = 120430240000.

The previous prime is 266006402447. The next prime is 266006402489. The reversal of 266006402464 is 464204600662.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417027 + ... + 1593730.

It is an arithmetic number, because the mean of its divisors is an integer number (11949698502).

Almost surely, 2^266006402464 is an apocalyptic number.

It is an amenable number.

266006402464 is an abundant number, since it is smaller than the sum of its proper divisors (307579125632).

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

266006402464 is a wasteful number, since it uses less digits than its factorization.

266006402464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011029 (or 3011021 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 266006402464 in words is "two hundred sixty-six billion, six million, four hundred two thousand, four hundred sixty-four".