44019481 has 4 divisors (see below), whose sum is σ = 48021264. Its totient is φ = 40017700.

The previous prime is 44019463. The next prime is 44019497. The reversal of 44019481 is 18491044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44019481 - 2⁵ = 44019449 is a prime.

It is a super-2 number, since 2×44019481² = 3875429415018722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44019421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000875 + ... + 2000896.

It is an arithmetic number, because the mean of its divisors is an integer number (12005316).

Almost surely, 2^44019481 is an apocalyptic number.

It is an amenable number.

44019481 is a deficient number, since it is larger than the sum of its proper divisors (4001783).

44019481 is a wasteful number, since it uses less digits than its factorization.

44019481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001782.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 44019481 is about 6634.7178538352. The cubic root of 44019481 is about 353.0869279026.

The spelling of 44019481 in words is "forty-four million, nineteen thousand, four hundred eighty-one".