44400493 has 4 divisors (see below), whose sum is σ = 44694688. Its totient is φ = 44106300.

The previous prime is 44400443. The next prime is 44400523. The reversal of 44400493 is 39400444.

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 44400493 - 2⁹ = 44399981 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 (44400403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146871 + ... + 147172.

It is an arithmetic number, because the mean of its divisors is an integer number (11173672).

Almost surely, 2^44400493 is an apocalyptic number.

It is an amenable number.

44400493 is a deficient number, since it is larger than the sum of its proper divisors (294195).

44400493 is a wasteful number, since it uses less digits than its factorization.

44400493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294194.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 44400493 is about 6663.3694929818. The cubic root of 44400493 is about 354.1027211026.

The spelling of 44400493 in words is "forty-four million, four hundred thousand, four hundred ninety-three".