2478031008808 has 8 divisors (see below), whose sum is σ = 4646308141530. Its totient is φ = 1239015504400.

The previous prime is 2478031008781. The next prime is 2478031008839. The reversal of 2478031008808 is 8088001308742.

It can be written as a sum of positive squares in only one way, i.e., 1317761651844 + 1160269356964 = 1147938^2 + 1077158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2478031008808² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154876938043 + ... + 154876938058.

Almost surely, 2^{2478031008808} is an apocalyptic number.

It is an amenable number.

2478031008808 is a deficient number, since it is larger than the sum of its proper divisors (2168277132722).

2478031008808 is a wasteful number, since it uses less digits than its factorization.

2478031008808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309753876107 (or 309753876103 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 49.

The spelling of 2478031008808 in words is "two trillion, four hundred seventy-eight billion, thirty-one million, eight thousand, eight hundred eight".