378952951146 has 128 divisors (see below), whose sum is σ = 986234683392. Its totient is φ = 94216512000.

The previous prime is 378952951073. The next prime is 378952951159. The reversal of 378952951146 is 641159259873.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 378952951146.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 815191 + ... + 1192661.

It is an arithmetic number, because the mean of its divisors is an integer number (7704958464).

Almost surely, 2^378952951146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378952951146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493117341696).

378952951146 is an abundant number, since it is smaller than the sum of its proper divisors (607281732246).

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

378952951146 is a wasteful number, since it uses less digits than its factorization.

378952951146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377588.

The product of its digits is 16329600, while the sum is 60.

The spelling of 378952951146 in words is "three hundred seventy-eight billion, nine hundred fifty-two million, nine hundred fifty-one thousand, one hundred forty-six".