378335881338 has 32 divisors (see below), whose sum is σ = 772116980352. Its totient is φ = 123560640000.

The previous prime is 378335881327. The next prime is 378335881393. The reversal of 378335881338 is 833188533873.

It is a happy number.

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, 2794063 + ... + 2926338.

It is an arithmetic number, because the mean of its divisors is an integer number (24128655636).

Almost surely, 2^378335881338 is an apocalyptic number.

378335881338 is an abundant number, since it is smaller than the sum of its proper divisors (393781099014).

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

378335881338 is a wasteful number, since it uses less digits than its factorization.

378335881338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5720630.

The product of its digits is 34836480, while the sum is 60.

The spelling of 378335881338 in words is "three hundred seventy-eight billion, three hundred thirty-five million, eight hundred eighty-one thousand, three hundred thirty-eight".