444665652 has 24 divisors (see below), whose sum is σ = 1038828000. Its totient is φ = 148039776.

The previous prime is 444665633. The next prime is 444665653. The reversal of 444665652 is 256566444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444665653) 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, 12402 + ... + 32297.

It is an arithmetic number, because the mean of its divisors is an integer number (43284500).

Almost surely, 2^444665652 is an apocalyptic number.

It is an amenable number.

444665652 is an abundant number, since it is smaller than the sum of its proper divisors (594162348).

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

444665652 is a wasteful number, since it uses less digits than its factorization.

444665652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45535 (or 45533 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

The square root of 444665652 is about 21087.0968129802. The cubic root of 444665652 is about 763.2694170891.

The spelling of 444665652 in words is "four hundred forty-four million, six hundred sixty-five thousand, six hundred fifty-two".