448042557 has 8 divisors (see below), whose sum is σ = 597786400. Its totient is φ = 298496880.

The previous prime is 448042523. The next prime is 448042559. The reversal of 448042557 is 755240844.

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

It is not a de Polignac number, because 448042557 - 2¹⁶ = 447977021 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 (448042559) 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, 44182 + ... + 53367.

It is an arithmetic number, because the mean of its divisors is an integer number (74723300).

Almost surely, 2^448042557 is an apocalyptic number.

It is an amenable number.

448042557 is a deficient number, since it is larger than the sum of its proper divisors (149743843).

448042557 is a wasteful number, since it uses less digits than its factorization.

448042557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99083.

The product of its (nonzero) digits is 179200, while the sum is 39.

The square root of 448042557 is about 21167.0157792732. The cubic root of 448042557 is about 765.1967010955.

The spelling of 448042557 in words is "four hundred forty-eight million, forty-two thousand, five hundred fifty-seven".