1878946540416 has 256 divisors, whose sum is σ = 6056419564800. Its totient is φ = 568739543040.

The previous prime is 1878946540403. The next prime is 1878946540531. The reversal of 1878946540416 is 6140456498781.

1878946540416 is a `hidden beast` number, since 1 + 8 + 7 + 8 + 9 + 46 + 540 + 41 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34453266 + ... + 34507758.

It is an arithmetic number, because the mean of its divisors is an integer number (23657888925).

Almost surely, 2^{1878946540416} is an apocalyptic number.

1878946540416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1878946540416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3028209782400).

1878946540416 is an abundant number, since it is smaller than the sum of its proper divisors (4177473024384).

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

1878946540416 is a wasteful number, since it uses less digits than its factorization.

1878946540416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55434 (or 55416 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 1878946540416 in words is "one trillion, eight hundred seventy-eight billion, nine hundred forty-six million, five hundred forty thousand, four hundred sixteen".