11266666440 has 32 divisors (see below), whose sum is σ = 33799999680. Its totient is φ = 3004444352.

The previous prime is 11266666423. The next prime is 11266666441. The reversal of 11266666440 is 4466666211.

It is a junction number, because it is equal to n+sod(n) for n = 11266666392 and 11266666401.

It is not an unprimeable number, because it can be changed into a prime (11266666441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46944324 + ... + 46944563.

It is an arithmetic number, because the mean of its divisors is an integer number (1056249990).

Almost surely, 2^11266666440 is an apocalyptic number.

11266666440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11266666440 is an abundant number, since it is smaller than the sum of its proper divisors (22533333240).

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

11266666440 is a wasteful number, since it uses less digits than its factorization.

11266666440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93888901 (or 93888897 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 11266666440 in words is "eleven billion, two hundred sixty-six million, six hundred sixty-six thousand, four hundred forty".