44424406640427 has 16 divisors (see below), whose sum is σ = 65712527544960. Its totient is φ = 26467545814400.

The previous prime is 44424406640423. The next prime is 44424406640477. The reversal of 44424406640427 is 72404660442444.

It is a cyclic number.

It is not a de Polignac number, because 44424406640427 - 2² = 44424406640423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44424406640427.

It is not an unprimeable number, because it can be changed into a prime (44424406640423) 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, 11408422974 + ... + 11408426867.

It is an arithmetic number, because the mean of its divisors is an integer number (4107032971560).

Almost surely, 2^{44424406640427} is an apocalyptic number.

44424406640427 is a deficient number, since it is larger than the sum of its proper divisors (21288120904533).

44424406640427 is a wasteful number, since it uses less digits than its factorization.

44424406640427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22816849914.

The product of its (nonzero) digits is 16515072, while the sum is 51.

The spelling of 44424406640427 in words is "forty-four trillion, four hundred twenty-four billion, four hundred six million, six hundred forty thousand, four hundred twenty-seven".