2428786649448 has 48 divisors (see below), whose sum is σ = 6625978203780. Its totient is φ = 803686089984.

The previous prime is 2428786649413. The next prime is 2428786649459. The reversal of 2428786649448 is 8449466878242.

2428786649448 is a `hidden beast` number, since 2 + 4 + 2 + 8 + 78 + 66 + 494 + 4 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2398775244804 + 30011404644 = 1548798^2 + 173238^2 .

It is a super-3 number, since 3×2428786649448³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123103815 + ... + 123123542.

Almost surely, 2^{2428786649448} is an apocalyptic number.

It is an amenable number.

2428786649448 is an abundant number, since it is smaller than the sum of its proper divisors (4197191554332).

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

2428786649448 is a wasteful number, since it uses less digits than its factorization.

2428786649448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246227506 (or 246227499 counting only the distinct ones).

The product of its digits is 1189085184, while the sum is 72.

The spelling of 2428786649448 in words is "two trillion, four hundred twenty-eight billion, seven hundred eighty-six million, six hundred forty-nine thousand, four hundred forty-eight".