4078291408242 has 16 divisors (see below), whose sum is σ = 8192514902112. Its totient is φ = 1353441788480.

The previous prime is 4078291408231. The next prime is 4078291408271. The reversal of 4078291408242 is 2428041928704.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1497168759 + ... + 1497171482.

It is an arithmetic number, because the mean of its divisors is an integer number (512032181382).

Almost surely, 2^{4078291408242} is an apocalyptic number.

4078291408242 is an abundant number, since it is smaller than the sum of its proper divisors (4114223493870).

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

4078291408242 is a wasteful number, since it uses less digits than its factorization.

4078291408242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994340473.

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 4078291408242 in words is "four trillion, seventy-eight billion, two hundred ninety-one million, four hundred eight thousand, two hundred forty-two".