11826528840 has 96 divisors (see below), whose sum is σ = 43927116480. Its totient is φ = 2703206016.

The previous prime is 11826528829. The next prime is 11826528851. The reversal of 11826528840 is 4882562811.

11826528840 is a `hidden beast` number, since 1 + 1 + 82 + 6 + 528 + 8 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (11826528829) and next prime (11826528851).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2344014 + ... + 2349053.

It is an arithmetic number, because the mean of its divisors is an integer number (457574130).

Almost surely, 2^11826528840 is an apocalyptic number.

11826528840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11826528840 is an abundant number, since it is smaller than the sum of its proper divisors (32100587640).

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

11826528840 is a wasteful number, since it uses less digits than its factorization.

11826528840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693091 (or 4693084 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The spelling of 11826528840 in words is "eleven billion, eight hundred twenty-six million, five hundred twenty-eight thousand, eight hundred forty".