2243562188544 has 720 divisors, whose sum is σ = 7091020468224. Its totient is φ = 707454259200.

The previous prime is 2243562188537. The next prime is 2243562188551. The reversal of 2243562188544 is 4458812653422.

2243562188544 is a `hidden beast` number, since 2 + 2 + 4 + 3 + 5 + 621 + 8 + 8 + 5 + 4 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2243562188537) and next prime (2243562188551).

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

Its product of digits (14745600) is a multiple of the sum of its prime divisors (360).

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, 8278827129 + ... + 8278827399.

Almost surely, 2^{2243562188544} is an apocalyptic number.

2243562188544 is a gapful number since it is divisible by the number (24) 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 2243562188544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3545510234112).

2243562188544 is an abundant number, since it is smaller than the sum of its proper divisors (4847458279680).

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

2243562188544 is an frugal number, since it uses more digits than its factorization.

2243562188544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 360 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 54.

The spelling of 2243562188544 in words is "two trillion, two hundred forty-three billion, five hundred sixty-two million, one hundred eighty-eight thousand, five hundred forty-four".