2175972960 has 384 divisors, whose sum is σ = 8406042624. Its totient is φ = 462274560.

The previous prime is 2175972949. The next prime is 2175972961. The reversal of 2175972960 is 692795712.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175972961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2858980 + ... + 2859740.

It is an arithmetic number, because the mean of its divisors is an integer number (21890736).

Almost surely, 2^2175972960 is an apocalyptic number.

2175972960 is a gapful number since it is divisible by the number (20) 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 2175972960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4203021312).

2175972960 is an abundant number, since it is smaller than the sum of its proper divisors (6230069664).

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

2175972960 is a wasteful number, since it uses less digits than its factorization.

2175972960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 2175972960 is about 46647.3253252531. The cubic root of 2175972960 is about 1295.8393528967.

The spelling of 2175972960 in words is "two billion, one hundred seventy-five million, nine hundred seventy-two thousand, nine hundred sixty".