266527470040 has 128 divisors (see below), whose sum is σ = 654082672320. Its totient is φ = 97158297600.

The previous prime is 266527470019. The next prime is 266527470043. The reversal of 266527470040 is 40074725662.

266527470040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266527470043) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 13409710 + ... + 13429570.

Almost surely, 2^266527470040 is an apocalyptic number.

266527470040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266527470040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327041336160).

266527470040 is an abundant number, since it is smaller than the sum of its proper divisors (387555202280).

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

266527470040 is a wasteful number, since it uses less digits than its factorization.

266527470040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20213 (or 20209 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 266527470040 in words is "two hundred sixty-six billion, five hundred twenty-seven million, four hundred seventy thousand, forty".