378391161044 has 24 divisors (see below), whose sum is σ = 713606734848. Its totient is φ = 174523315680.

The previous prime is 378391161041. The next prime is 378391161089. The reversal of 378391161044 is 440161193873.

It is a self number, because there is not a number n which added to its sum of digits gives 378391161044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378391161041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2396912 + ... + 2549895.

It is an arithmetic number, because the mean of its divisors is an integer number (29733613952).

Almost surely, 2^378391161044 is an apocalyptic number.

It is an amenable number.

378391161044 is a deficient number, since it is larger than the sum of its proper divisors (335215573804).

378391161044 is a wasteful number, since it uses less digits than its factorization.

378391161044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948295 (or 4948293 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 378391161044 in words is "three hundred seventy-eight billion, three hundred ninety-one million, one hundred sixty-one thousand, forty-four".