2175994803240 has 128 divisors (see below), whose sum is σ = 7503430464000. Its totient is φ = 560256125184.

The previous prime is 2175994803173. The next prime is 2175994803293. The reversal of 2175994803240 is 423084995712.

2175994803240 is a `hidden beast` number, since 2 + 1 + 7 + 5 + 99 + 480 + 32 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 34706784 + ... + 34769423.

It is an arithmetic number, because the mean of its divisors is an integer number (58620550500).

Almost surely, 2^{2175994803240} is an apocalyptic number.

2175994803240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2175994803240 is an abundant number, since it is smaller than the sum of its proper divisors (5327435660760).

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

2175994803240 is a wasteful number, since it uses less digits than its factorization.

2175994803240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69476256 (or 69476246 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 2175994803240 in words is "two trillion, one hundred seventy-five billion, nine hundred ninety-four million, eight hundred three thousand, two hundred forty".