444661461 has 32 divisors (see below), whose sum is σ = 695761920. Its totient is φ = 280103472.

The previous prime is 444661453. The next prime is 444661471. The reversal of 444661461 is 164166444.

It is not a de Polignac number, because 444661461 - 2³ = 444661453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444661421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47230 + ... + 55856.

It is an arithmetic number, because the mean of its divisors is an integer number (21742560).

Almost surely, 2^444661461 is an apocalyptic number.

It is an amenable number.

444661461 is a deficient number, since it is larger than the sum of its proper divisors (251100459).

444661461 is a wasteful number, since it uses less digits than its factorization.

444661461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8742 (or 8736 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 444661461 is about 21086.9974391804. The cubic root of 444661461 is about 763.2670191285.

The spelling of 444661461 in words is "four hundred forty-four million, six hundred sixty-one thousand, four hundred sixty-one".