44444156642594 has 8 divisors (see below), whose sum is σ = 67415293783980. Its totient is φ = 21972392047936.

The previous prime is 44444156642551. The next prime is 44444156642609. The reversal of 44444156642594 is 49524665144444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35565276377569 + 8878880265025 = 5963663^2 + 2979745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124843136459 + ... + 124843136814.

Almost surely, 2^{44444156642594} is an apocalyptic number.

44444156642594 is a deficient number, since it is larger than the sum of its proper divisors (22971137141386).

44444156642594 is a wasteful number, since it uses less digits than its factorization.

44444156642594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249686273364.

The product of its digits is 265420800, while the sum is 62.

The spelling of 44444156642594 in words is "forty-four trillion, four hundred forty-four billion, one hundred fifty-six million, six hundred forty-two thousand, five hundred ninety-four".