444658742 has 16 divisors (see below), whose sum is σ = 734302800. Its totient is φ = 200262240.

The previous prime is 444658741. The next prime is 444658757. The reversal of 444658742 is 247856444.

It is a junction number, because it is equal to n+sod(n) for n = 444658693 and 444658702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444658741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90317 + ... + 95112.

It is an arithmetic number, because the mean of its divisors is an integer number (45893925).

Almost surely, 2^444658742 is an apocalyptic number.

444658742 is a deficient number, since it is larger than the sum of its proper divisors (289644058).

444658742 is a wasteful number, since it uses less digits than its factorization.

444658742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185551.

The product of its digits is 860160, while the sum is 44.

The square root of 444658742 is about 21086.9329680729. The cubic root of 444658742 is about 763.2654633927.

The spelling of 444658742 in words is "four hundred forty-four million, six hundred fifty-eight thousand, seven hundred forty-two".