11853336240 has 120 divisors (see below), whose sum is σ = 40287265200. Its totient is φ = 3122790912.

The previous prime is 11853336227. The next prime is 11853336251. The reversal of 11853336240 is 4263335811.

11853336240 is a `hidden beast` number, since 1 + 1 + 85 + 3 + 336 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a junction number, because it is equal to n+sod(n) for n = 11853336195 and 11853336204.

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, 39415 + ... + 158934.

It is an arithmetic number, because the mean of its divisors is an integer number (335727210).

Almost surely, 2^11853336240 is an apocalyptic number.

11853336240 is a gapful number since it is divisible by the number (10) 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 11853336240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20143632600).

11853336240 is an abundant number, since it is smaller than the sum of its proper divisors (28433928960).

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

11853336240 is a wasteful number, since it uses less digits than its factorization.

11853336240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198451 (or 198442 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 11853336240 in words is "eleven billion, eight hundred fifty-three million, three hundred thirty-six thousand, two hundred forty".