448619004 has 18 divisors (see below), whose sum is σ = 1134009240. Its totient is φ = 149539656.

The previous prime is 448618999. The next prime is 448619021. The reversal of 448619004 is 400916844.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 12461639 = 448619004 / (4 + 4 + 8 + 6 + 1 + 9 + 0 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 448619004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6230784 + ... + 6230855.

Almost surely, 2^448619004 is an apocalyptic number.

It is an amenable number.

448619004 is an abundant number, since it is smaller than the sum of its proper divisors (685390236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

448619004 is a wasteful number, since it uses less digits than its factorization.

448619004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12461649 (or 12461644 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 448619004 is about 21180.6280360144. The cubic root of 448619004 is about 765.5247252243.

The spelling of 448619004 in words is "four hundred forty-eight million, six hundred nineteen thousand, four".