44001047 has 4 divisors (see below), whose sum is σ = 45914160. Its totient is φ = 42087936.

The previous prime is 44001031. The next prime is 44001073. The reversal of 44001047 is 74010044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44001047 - 2⁴ = 44001031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44001247) 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, 956522 + ... + 956567.

It is an arithmetic number, because the mean of its divisors is an integer number (11478540).

Almost surely, 2^44001047 is an apocalyptic number.

44001047 is a deficient number, since it is larger than the sum of its proper divisors (1913113).

44001047 is a wasteful number, since it uses less digits than its factorization.

44001047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913112.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 44001047 is about 6633.3285008358. The cubic root of 44001047 is about 353.0376337185.

The spelling of 44001047 in words is "forty-four million, one thousand, forty-seven".