1944049407 has 8 divisors (see below), whose sum is σ = 2592456960. Its totient is φ = 1295837400.

The previous prime is 1944049397. The next prime is 1944049409. The reversal of 1944049407 is 7049404491.

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

It is not a de Polignac number, because 1944049407 - 2¹⁶ = 1943983871 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944049409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23857 + ... + 66762.

It is an arithmetic number, because the mean of its divisors is an integer number (324057120).

Almost surely, 2^1944049407 is an apocalyptic number.

1944049407 is a deficient number, since it is larger than the sum of its proper divisors (648407553).

1944049407 is an equidigital number, since it uses as much as digits as its factorization.

1944049407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97773.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1944049407 is about 44091.3756532953. The cubic root of 1944049407 is about 1248.0608668590.

The spelling of 1944049407 in words is "one billion, nine hundred forty-four million, forty-nine thousand, four hundred seven".