2478446448 has 20 divisors (see below), whose sum is σ = 6402653448. Its totient is φ = 826148800.

The previous prime is 2478446437. The next prime is 2478446449. The reversal of 2478446448 is 8446448742.

2478446448 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2478446448² = 12285393591207633408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2478446448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478446449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25817103 + ... + 25817198.

Almost surely, 2^2478446448 is an apocalyptic number.

It is an amenable number.

2478446448 is an abundant number, since it is smaller than the sum of its proper divisors (3924207000).

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

2478446448 is a wasteful number, since it uses less digits than its factorization.

2478446448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51634312 (or 51634306 counting only the distinct ones).

The product of its digits is 5505024, while the sum is 51.

The square root of 2478446448 is about 49783.9979109754. The cubic root of 2478446448 is about 1353.2971893464.

The spelling of 2478446448 in words is "two billion, four hundred seventy-eight million, four hundred forty-six thousand, four hundred forty-eight".