2179824938004 has 192 divisors, whose sum is σ = 6321471242240. Its totient is φ = 570517032960.

The previous prime is 2179824938003. The next prime is 2179824938009. The reversal of 2179824938004 is 4008394289712.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2179824938003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61184004 + ... + 61219620.

Almost surely, 2^{2179824938004} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2179824938004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3160735621120).

2179824938004 is an abundant number, since it is smaller than the sum of its proper divisors (4141646304236).

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

2179824938004 is a wasteful number, since it uses less digits than its factorization.

2179824938004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36918 (or 36916 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 2179824938004 in words is "two trillion, one hundred seventy-nine billion, eight hundred twenty-four million, nine hundred thirty-eight thousand, four".