44454993 has 16 divisors (see below), whose sum is σ = 65140416. Its totient is φ = 26743040.

The previous prime is 44454989. The next prime is 44455001. The reversal of 44454993 is 39945444.

It is a cyclic number.

It is not a de Polignac number, because 44454993 - 2² = 44454989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44454913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396 + ... + 9437.

It is an arithmetic number, because the mean of its divisors is an integer number (4071276).

Almost surely, 2^44454993 is an apocalyptic number.

It is an amenable number.

44454993 is a deficient number, since it is larger than the sum of its proper divisors (20685423).

44454993 is a wasteful number, since it uses less digits than its factorization.

44454993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984.

The product of its digits is 311040, while the sum is 42.

The square root of 44454993 is about 6667.4577613960. The cubic root of 44454993 is about 354.2475446265.

The spelling of 44454993 in words is "forty-four million, four hundred fifty-four thousand, nine hundred ninety-three".