2243475939840 has 320 divisors, whose sum is σ = 7311606027264. Its totient is φ = 586704273408.

The previous prime is 2243475939799. The next prime is 2243475939851. The reversal of 2243475939840 is 489395743422.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 116795517 + ... + 116814723.

Almost surely, 2^{2243475939840} is an apocalyptic number.

2243475939840 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 2243475939840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3655803013632).

2243475939840 is an abundant number, since it is smaller than the sum of its proper divisors (5068130087424).

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

2243475939840 is a wasteful number, since it uses less digits than its factorization.

2243475939840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19527 (or 19511 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 60.

The spelling of 2243475939840 in words is "two trillion, two hundred forty-three billion, four hundred seventy-five million, nine hundred thirty-nine thousand, eight hundred forty".