448809742 has 24 divisors (see below), whose sum is σ = 701935416. Its totient is φ = 215205984.

The previous prime is 448809737. The next prime is 448809749. The reversal of 448809742 is 247908844.

It is a happy number.

It is a super-4 number, since 4×448809742⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 448809692 and 448809701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448809749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273348 + ... + 274984.

It is an arithmetic number, because the mean of its divisors is an integer number (29247309).

Almost surely, 2^448809742 is an apocalyptic number.

448809742 is a deficient number, since it is larger than the sum of its proper divisors (253125674).

448809742 is a wasteful number, since it uses less digits than its factorization.

448809742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860 (or 1831 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 448809742 is about 21185.1302096541. The cubic root of 448809742 is about 765.6332018047.

The spelling of 448809742 in words is "four hundred forty-eight million, eight hundred nine thousand, seven hundred forty-two".