448661629 has 8 divisors (see below), whose sum is σ = 483453432. Its totient is φ = 413909760.

The previous prime is 448661627. The next prime is 448661659. The reversal of 448661629 is 926166844.

It can be written as a sum of positive squares in 4 ways, for example, as 5769604 + 442892025 = 2402^2 + 21045^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 448661629 - 2¹ = 448661627 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448661627) 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, 15849 + ... + 33889.

It is an arithmetic number, because the mean of its divisors is an integer number (60431679).

Almost surely, 2^448661629 is an apocalyptic number.

It is an amenable number.

448661629 is a deficient number, since it is larger than the sum of its proper divisors (34791803).

448661629 is a wasteful number, since it uses less digits than its factorization.

448661629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19967.

The product of its digits is 497664, while the sum is 46.

The square root of 448661629 is about 21181.6342381791. The cubic root of 448661629 is about 765.5489695962.

The spelling of 448661629 in words is "four hundred forty-eight million, six hundred sixty-one thousand, six hundred twenty-nine".