2172369834240 has 432 divisors, whose sum is σ = 7170651012672. Its totient is φ = 560302718976.

The previous prime is 2172369834221. The next prime is 2172369834347. The reversal of 2172369834240 is 424389632712.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1084557079 + ... + 1084559081.

It is an arithmetic number, because the mean of its divisors is an integer number (16598729196).

Almost surely, 2^{2172369834240} is an apocalyptic number.

2172369834240 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 2172369834240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3585325506336).

2172369834240 is an abundant number, since it is smaller than the sum of its proper divisors (4998281178432).

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

2172369834240 is an equidigital number, since it uses as much as digits as its factorization.

2172369834240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226 (or 2139 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 2172369834240 in words is "two trillion, one hundred seventy-two billion, three hundred sixty-nine million, eight hundred thirty-four thousand, two hundred forty".