440961616 has 10 divisors (see below), whose sum is σ = 854363162. Its totient is φ = 220480800.

The previous prime is 440961611. The next prime is 440961629. The reversal of 440961616 is 616169044.

It can be written as a sum of positive squares in only one way, i.e., 440832016 + 129600 = 20996^2 + 360^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440961611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13780035 + ... + 13780066.

Almost surely, 2^440961616 is an apocalyptic number.

It is an amenable number.

440961616 is a deficient number, since it is larger than the sum of its proper divisors (413401546).

440961616 is a wasteful number, since it uses less digits than its factorization.

440961616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27560109 (or 27560103 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 440961616 is about 20999.0860753510. The cubic root of 440961616 is about 761.1441768590.

The spelling of 440961616 in words is "four hundred forty million, nine hundred sixty-one thousand, six hundred sixteen".