444866740 has 24 divisors (see below), whose sum is σ = 964357632. Its totient is φ = 172206240.

The previous prime is 444866729. The next prime is 444866749. The reversal of 444866740 is 47668444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444866749) 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, 358144 + ... + 359383.

It is an arithmetic number, because the mean of its divisors is an integer number (40181568).

Almost surely, 2^444866740 is an apocalyptic number.

It is an amenable number.

444866740 is an abundant number, since it is smaller than the sum of its proper divisors (519490892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444866740 is a wasteful number, since it uses less digits than its factorization.

444866740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717567 (or 717565 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 43.

The square root of 444866740 is about 21091.8643083062. The cubic root of 444866740 is about 763.3844557249.

The spelling of 444866740 in words is "four hundred forty-four million, eight hundred sixty-six thousand, seven hundred forty".