444315730 has 16 divisors (see below), whose sum is σ = 800414784. Its totient is φ = 177582640.

The previous prime is 444315709. The next prime is 444315737. The reversal of 444315730 is 37513444.

It is a junction number, because it is equal to n+sod(n) for n = 444315692 and 444315701.

It is not an unprimeable number, because it can be changed into a prime (444315737) 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, 4486 + ... + 30145.

It is an arithmetic number, because the mean of its divisors is an integer number (50025924).

Almost surely, 2^444315730 is an apocalyptic number.

444315730 is a deficient number, since it is larger than the sum of its proper divisors (356099054).

444315730 is a wasteful number, since it uses less digits than its factorization.

444315730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35921.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 444315730 is about 21078.7981156422. The cubic root of 444315730 is about 763.0691506270.

The spelling of 444315730 in words is "four hundred forty-four million, three hundred fifteen thousand, seven hundred thirty".