444380737 has 8 divisors (see below), whose sum is σ = 450230400. Its totient is φ = 438562704.

The previous prime is 444380681. The next prime is 444380773. The reversal of 444380737 is 737083444.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444380737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444380737.

It is not an unprimeable number, because it can be changed into a prime (444380777) 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, 21064 + ... + 36502.

It is an arithmetic number, because the mean of its divisors is an integer number (56278800).

Almost surely, 2^444380737 is an apocalyptic number.

It is an amenable number.

444380737 is a deficient number, since it is larger than the sum of its proper divisors (5849663).

444380737 is a wasteful number, since it uses less digits than its factorization.

444380737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15815.

The product of its (nonzero) digits is 225792, while the sum is 40.

The square root of 444380737 is about 21080.3400589269. The cubic root of 444380737 is about 763.1063632170.

The spelling of 444380737 in words is "four hundred forty-four million, three hundred eighty thousand, seven hundred thirty-seven".