2478828554448 has 20 divisors (see below), whose sum is σ = 6403640432448. Its totient is φ = 826276184800.

The previous prime is 2478828554441. The next prime is 2478828554483. The reversal of 2478828554448 is 8444558288742.

It is a super-2 number, since 2×2478828554448² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478828554441) 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, 25821130728 + ... + 25821130823.

Almost surely, 2^{2478828554448} is an apocalyptic number.

It is an amenable number.

2478828554448 is an abundant number, since it is smaller than the sum of its proper divisors (3924811878000).

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

2478828554448 is a wasteful number, since it uses less digits than its factorization.

2478828554448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51642261562 (or 51642261556 counting only the distinct ones).

The product of its digits is 734003200, while the sum is 69.

The spelling of 2478828554448 in words is "two trillion, four hundred seventy-eight billion, eight hundred twenty-eight million, five hundred fifty-four thousand, four hundred forty-eight".