378838018338 has 32 divisors (see below), whose sum is σ = 863956388736. Its totient is φ = 109708747008.

The previous prime is 378838018319. The next prime is 378838018373. The reversal of 378838018338 is 833810838873.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142848606 + ... + 142851257.

It is an arithmetic number, because the mean of its divisors is an integer number (26998637148).

Almost surely, 2^378838018338 is an apocalyptic number.

378838018338 is an abundant number, since it is smaller than the sum of its proper divisors (485118370398).

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

378838018338 is a wasteful number, since it uses less digits than its factorization.

378838018338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285699898.

The product of its (nonzero) digits is 18579456, while the sum is 60.

The spelling of 378838018338 in words is "three hundred seventy-eight billion, eight hundred thirty-eight million, eighteen thousand, three hundred thirty-eight".