4078198816 has 48 divisors (see below), whose sum is σ = 8870891904. Its totient is φ = 1835705344.

The previous prime is 4078198781. The next prime is 4078198837. The reversal of 4078198816 is 6188918704.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150460 + ... + 175483.

It is an arithmetic number, because the mean of its divisors is an integer number (184810248).

Almost surely, 2^4078198816 is an apocalyptic number.

4078198816 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

4078198816 is an abundant number, since it is smaller than the sum of its proper divisors (4792693088).

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

4078198816 is a wasteful number, since it uses less digits than its factorization.

4078198816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325993 (or 325985 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 52.

The square root of 4078198816 is about 63860.7768195784. The cubic root of 4078198816 is about 1597.6787715651.

The spelling of 4078198816 in words is "four billion, seventy-eight million, one hundred ninety-eight thousand, eight hundred sixteen".