444630534 has 16 divisors (see below), whose sum is σ = 889930800. Its totient is φ = 148098560.

The previous prime is 444630521. The next prime is 444630541. The reversal of 444630534 is 435036444.

It is a junction number, because it is equal to n+sod(n) for n = 444630495 and 444630504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19059 + ... + 35390.

It is an arithmetic number, because the mean of its divisors is an integer number (55620675).

Almost surely, 2^444630534 is an apocalyptic number.

444630534 is an abundant number, since it is smaller than the sum of its proper divisors (445300266).

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

444630534 is a wasteful number, since it uses less digits than its factorization.

444630534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55815.

The product of its (nonzero) digits is 69120, while the sum is 33.

The square root of 444630534 is about 21086.2641072334. The cubic root of 444630534 is about 763.2493231894.

Adding to 444630534 its reverse (435036444), we get a palindrome (879666978).

It can be divided in two parts, 4446 and 30534, that added together give a triangular number (34980 = T₂₆₄).

The spelling of 444630534 in words is "four hundred forty-four million, six hundred thirty thousand, five hundred thirty-four".