266010640272 has 80 divisors (see below), whose sum is σ = 822283620480. Its totient is φ = 81849426048.

The previous prime is 266010640261. The next prime is 266010640283. The reversal of 266010640272 is 272046010662.

266010640272 is a `hidden beast` number, since 2 + 6 + 6 + 0 + 1 + 0 + 640 + 2 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (266010640261) and next prime (266010640283).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23677668 + ... + 23688899.

It is an arithmetic number, because the mean of its divisors is an integer number (10278545256).

Almost surely, 2^266010640272 is an apocalyptic number.

It is an amenable number.

266010640272 is an abundant number, since it is smaller than the sum of its proper divisors (556272980208).

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

266010640272 is a wasteful number, since it uses less digits than its factorization.

266010640272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47366597 (or 47366585 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 266010640272 in words is "two hundred sixty-six billion, ten million, six hundred forty thousand, two hundred seventy-two".