44394019 has 8 divisors (see below), whose sum is σ = 46001520. Its totient is φ = 42815136.

The previous prime is 44393989. The next prime is 44394037. The reversal of 44394019 is 91049344.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44394019 is a prime.

It is a super-2 number, since 2×44394019² = 3941657845944722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44394059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3972 + ... + 10225.

It is an arithmetic number, because the mean of its divisors is an integer number (5750190).

Almost surely, 2^44394019 is an apocalyptic number.

44394019 is a deficient number, since it is larger than the sum of its proper divisors (1607501).

44394019 is a wasteful number, since it uses less digits than its factorization.

44394019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14309.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 44394019 is about 6662.8836850121. The cubic root of 44394019 is about 354.0855097889.

The spelling of 44394019 in words is "forty-four million, three hundred ninety-four thousand, nineteen".