11884179840 has 256 divisors, whose sum is σ = 42113433600. Its totient is φ = 2830786560.

The previous prime is 11884179799. The next prime is 11884179863. The reversal of 11884179840 is 4897148811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 766081 + ... + 781439.

It is an arithmetic number, because the mean of its divisors is an integer number (164505600).

Almost surely, 2^11884179840 is an apocalyptic number.

11884179840 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 11884179840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21056716800).

11884179840 is an abundant number, since it is smaller than the sum of its proper divisors (30229253760).

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

11884179840 is a wasteful number, since it uses less digits than its factorization.

11884179840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15425 (or 15413 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 51.

The spelling of 11884179840 in words is "eleven billion, eight hundred eighty-four million, one hundred seventy-nine thousand, eight hundred forty".