72444033044426 has 16 divisors (see below), whose sum is σ = 108707708728584. Its totient is φ = 36208132007424.

The previous prime is 72444033044423. The next prime is 72444033044431. The reversal of 72444033044426 is 62444033044427.

It can be written as a sum of positive squares in 4 ways, for example, as 68238354943801 + 4205678100625 = 8260651^2 + 2050775^2 .

It is not an unprimeable number, because it can be changed into a prime (72444033044423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78177506 + ... + 79098738.

Almost surely, 2^{72444033044426} is an apocalyptic number.

72444033044426 is a deficient number, since it is larger than the sum of its proper divisors (36263675684158).

72444033044426 is a wasteful number, since it uses less digits than its factorization.

72444033044426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936265.

The product of its (nonzero) digits is 6193152, while the sum is 47.

Subtracting from 72444033044426 its reverse (62444033044427), we obtain a palindrome (9999999999999).

The spelling of 72444033044426 in words is "seventy-two trillion, four hundred forty-four billion, thirty-three million, forty-four thousand, four hundred twenty-six".