44640197 has 8 divisors (see below), whose sum is σ = 51097536. Its totient is φ = 38202912.

The previous prime is 44640179. The next prime is 44640199. The reversal of 44640197 is 79104644.

44640197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 44640197 - 2⁶ = 44640133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44640199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113 + ... + 9449.

It is an arithmetic number, because the mean of its divisors is an integer number (6387192).

Almost surely, 2^44640197 is an apocalyptic number.

It is an amenable number.

44640197 is a deficient number, since it is larger than the sum of its proper divisors (6457339).

44640197 is an equidigital number, since it uses as much as digits as its factorization.

44640197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10027.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 44640197 is about 6681.3319779816. The cubic root of 44640197 is about 354.7388067486.

The spelling of 44640197 in words is "forty-four million, six hundred forty thousand, one hundred ninety-seven".