2243445420000 has 480 divisors, whose sum is σ = 7671152345472. Its totient is φ = 573357312000.

The previous prime is 2243445419983. The next prime is 2243445420011. The reversal of 2243445420000 is 245443422.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 2243445420000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 148732459 + ... + 148747541.

Almost surely, 2^{2243445420000} is an apocalyptic number.

2243445420000 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 2243445420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3835576172736).

2243445420000 is an abundant number, since it is smaller than the sum of its proper divisors (5427706925472).

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

2243445420000 is a wasteful number, since it uses less digits than its factorization.

2243445420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15220 (or 15197 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The spelling of 2243445420000 in words is "two trillion, two hundred forty-three billion, four hundred forty-five million, four hundred twenty thousand".