2180372747904 has 384 divisors, whose sum is σ = 7122821160000. Its totient is φ = 634652983296.

The previous prime is 2180372747897. The next prime is 2180372747909. The reversal of 2180372747904 is 4097472730812.

2180372747904 is a `hidden beast` number, since 2 + 180 + 372 + 7 + 4 + 7 + 90 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is not an unprimeable number, because it can be changed into a prime (2180372747909) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 210272832 + ... + 210283200.

Almost surely, 2^{2180372747904} is an apocalyptic number.

2180372747904 is a gapful number since it is divisible by the number (24) 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 2180372747904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3561410580000).

2180372747904 is an abundant number, since it is smaller than the sum of its proper divisors (4942448412096).

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

2180372747904 is a wasteful number, since it uses less digits than its factorization.

2180372747904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11160 (or 11145 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 2180372747904 in words is "two trillion, one hundred eighty billion, three hundred seventy-two million, seven hundred forty-seven thousand, nine hundred four".