4718915448378 has 48 divisors (see below), whose sum is σ = 9907294239360. Its totient is φ = 1498286175232.

The previous prime is 4718915448343. The next prime is 4718915448389. The reversal of 4718915448378 is 8738445198174.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2351751 + ... + 3868922.

It is an arithmetic number, because the mean of its divisors is an integer number (206401963320).

Almost surely, 2^{4718915448378} is an apocalyptic number.

4718915448378 is an abundant number, since it is smaller than the sum of its proper divisors (5188378790982).

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

4718915448378 is a wasteful number, since it uses less digits than its factorization.

4718915448378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6220963 (or 6220940 counting only the distinct ones).

The product of its digits is 216760320, while the sum is 69.

The spelling of 4718915448378 in words is "four trillion, seven hundred eighteen billion, nine hundred fifteen million, four hundred forty-eight thousand, three hundred seventy-eight".