2478272616 has 48 divisors (see below), whose sum is σ = 6715608900. Its totient is φ = 825645312.

The previous prime is 2478272591. The next prime is 2478272627. The reversal of 2478272616 is 6162728742.

It is a happy number.

2478272616 is a `hidden beast` number, since 2 + 4 + 7 + 8 + 27 + 2 + 616 = 666.

2478272616 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 can be written as a sum of positive squares in 2 ways, for example, as 2435422500 + 42850116 = 49350^2 + 6546^2 .

It is a super-2 number, since 2×2478272616² = 12283670318430966912, which contains 22 as substring.

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, 142170 + ... + 158646.

Almost surely, 2^2478272616 is an apocalyptic number.

It is an amenable number.

2478272616 is an abundant number, since it is smaller than the sum of its proper divisors (4237336284).

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

2478272616 is a wasteful number, since it uses less digits than its factorization.

2478272616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18578 (or 18571 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 2478272616 is about 49782.2520181641. The cubic root of 2478272616 is about 1353.2655496530.

The spelling of 2478272616 in words is "two billion, four hundred seventy-eight million, two hundred seventy-two thousand, six hundred sixteen".