444012534 has 96 divisors (see below), whose sum is σ = 1145551680. Its totient is φ = 121651200.

The previous prime is 444012529. The next prime is 444012559. The reversal of 444012534 is 435210444.

It is a happy number.

444012534 is a `hidden beast` number, since 4 + 4 + 401 + 253 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 444012498 and 444012507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314422 + ... + 315830.

It is an arithmetic number, because the mean of its divisors is an integer number (11932830).

Almost surely, 2^444012534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444012534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572775840).

444012534 is an abundant number, since it is smaller than the sum of its proper divisors (701539146).

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

444012534 is a wasteful number, since it uses less digits than its factorization.

444012534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 444012534 is about 21071.6049222645. The cubic root of 444012534 is about 762.8955412285.

Adding to 444012534 its reverse (435210444), we get a palindrome (879222978).

The spelling of 444012534 in words is "four hundred forty-four million, twelve thousand, five hundred thirty-four".