378354156438 has 8 divisors (see below), whose sum is σ = 756708312888. Its totient is φ = 126118052144.

The previous prime is 378354156403. The next prime is 378354156449. The reversal of 378354156438 is 834651453873.

It is a sphenic number, since it is the product of 3 distinct primes.

378354156438 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31529513031 + ... + 31529513042.

It is an arithmetic number, because the mean of its divisors is an integer number (94588539111).

Almost surely, 2^378354156438 is an apocalyptic number.

378354156438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

378354156438 is a wasteful number, since it uses less digits than its factorization.

378354156438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63059026078.

The product of its digits is 29030400, while the sum is 57.

The spelling of 378354156438 in words is "three hundred seventy-eight billion, three hundred fifty-four million, one hundred fifty-six thousand, four hundred thirty-eight".