4080196978 has 32 divisors (see below), whose sum is σ = 7384628160. Its totient is φ = 1665696960.

The previous prime is 4080196961. The next prime is 4080197003. The reversal of 4080196978 is 8796910804.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182208 + ... + 203371.

It is an arithmetic number, because the mean of its divisors is an integer number (230769630).

Almost surely, 2^4080196978 is an apocalyptic number.

4080196978 is a deficient number, since it is larger than the sum of its proper divisors (3304431182).

4080196978 is a wasteful number, since it uses less digits than its factorization.

4080196978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385642.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 4080196978 is about 63876.4195771804. The cubic root of 4080196978 is about 1597.9396628644.

The spelling of 4080196978 in words is "four billion, eighty million, one hundred ninety-six thousand, nine hundred seventy-eight".