378644018002842 has 32 divisors (see below), whose sum is σ = 781834183257600. Its totient is φ = 122124872093760.

The previous prime is 378644018002829. The next prime is 378644018002847. The reversal of 378644018002842 is 248200810446873.

It is not an unprimeable number, because it can be changed into a prime (378644018002847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151755217 + ... + 154230132.

It is an arithmetic number, because the mean of its divisors is an integer number (24432318226800).

Almost surely, 2^{378644018002842} is an apocalyptic number.

378644018002842 is an abundant number, since it is smaller than the sum of its proper divisors (403190165254758).

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

378644018002842 is a wasteful number, since it uses less digits than its factorization.

378644018002842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305992038.

The product of its (nonzero) digits is 16515072, while the sum is 57.

The spelling of 378644018002842 in words is "three hundred seventy-eight trillion, six hundred forty-four billion, eighteen million, two thousand, eight hundred forty-two".