1878674338944 has 512 divisors, whose sum is σ = 6363138297600. Its totient is φ = 540550692864.

The previous prime is 1878674338939. The next prime is 1878674338951. The reversal of 1878674338944 is 4498334768781.

1878674338944 is a `hidden beast` number, since 1 + 8 + 78 + 6 + 7 + 433 + 89 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 119904999 + ... + 119920665.

Almost surely, 2^{1878674338944} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1878674338944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3181569148800).

1878674338944 is an abundant number, since it is smaller than the sum of its proper divisors (4484463958656).

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

1878674338944 is a wasteful number, since it uses less digits than its factorization.

1878674338944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15877 (or 15859 counting only the distinct ones).

The product of its digits is 780337152, while the sum is 72.

The spelling of 1878674338944 in words is "one trillion, eight hundred seventy-eight billion, six hundred seventy-four million, three hundred thirty-eight thousand, nine hundred forty-four".