2243444102438 has 32 divisors (see below), whose sum is σ = 4218711614208. Its totient is φ = 869240008800.

The previous prime is 2243444102437. The next prime is 2243444102461. The reversal of 2243444102438 is 8342014443422.

It is a junction number, because it is equal to n+sod(n) for n = 2243444102395 and 2243444102404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243444102437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40214720 + ... + 40270467.

It is an arithmetic number, because the mean of its divisors is an integer number (131834737944).

Almost surely, 2^{2243444102438} is an apocalyptic number.

2243444102438 is a deficient number, since it is larger than the sum of its proper divisors (1975267511770).

2243444102438 is a wasteful number, since it uses less digits than its factorization.

2243444102438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80485388.

The product of its (nonzero) digits is 589824, while the sum is 41.

The spelling of 2243444102438 in words is "two trillion, two hundred forty-three billion, four hundred forty-four million, one hundred two thousand, four hundred thirty-eight".