266885135000 has 80 divisors (see below), whose sum is σ = 682158545640. Its totient is φ = 97049120000.

The previous prime is 266885134991. The next prime is 266885135051. The reversal of 266885135000 is 531588662.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2371229 + ... + 2481228.

Almost surely, 2^266885135000 is an apocalyptic number.

266885135000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266885135000 is an abundant number, since it is smaller than the sum of its proper divisors (415273410640).

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

266885135000 is a wasteful number, since it uses less digits than its factorization.

266885135000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852494 (or 4852475 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 266885135000 in words is "two hundred sixty-six billion, eight hundred eighty-five million, one hundred thirty-five thousand".