2478936648 has 16 divisors (see below), whose sum is σ = 6197341680. Its totient is φ = 826312208.

The previous prime is 2478936643. The next prime is 2478936661. The reversal of 2478936648 is 8466398742.

It is a super-2 number, since 2×2478936648² = 12290253809594951808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2478936641) 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, 51644490 + ... + 51644537.

It is an arithmetic number, because the mean of its divisors is an integer number (387333855).

Almost surely, 2^2478936648 is an apocalyptic number.

It is an amenable number.

2478936648 is an abundant number, since it is smaller than the sum of its proper divisors (3718405032).

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

2478936648 is a wasteful number, since it uses less digits than its factorization.

2478936648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103289036 (or 103289032 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 57.

The square root of 2478936648 is about 49788.9209362886. The cubic root of 2478936648 is about 1353.3864041785.

It can be divided in two parts, 247893 and 6648, that added together give a triangular number (254541 = T₇₁₃).

The spelling of 2478936648 in words is "two billion, four hundred seventy-eight million, nine hundred thirty-six thousand, six hundred forty-eight".