3778933744456 has 32 divisors (see below), whose sum is σ = 7738011691200. Its totient is φ = 1719558146880.

The previous prime is 3778933744441. The next prime is 3778933744459. The reversal of 3778933744456 is 6544473398773.

It is a super-2 number, since 2×3778933744456² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3778933744459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255879246 + ... + 255894013.

It is an arithmetic number, because the mean of its divisors is an integer number (241812865350).

Almost surely, 2^{3778933744456} is an apocalyptic number.

It is an amenable number.

3778933744456 is an abundant number, since it is smaller than the sum of its proper divisors (3959077946744).

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

3778933744456 is a wasteful number, since it uses less digits than its factorization.

3778933744456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511773349 (or 511773345 counting only the distinct ones).

The product of its digits is 1280240640, while the sum is 70.

The spelling of 3778933744456 in words is "three trillion, seven hundred seventy-eight billion, nine hundred thirty-three million, seven hundred forty-four thousand, four hundred fifty-six".