3806778554540 has 24 divisors (see below), whose sum is σ = 8609176116240. Its totient is φ = 1405579773888.

The previous prime is 3806778554533. The next prime is 3806778554599. The reversal of 3806778554540 is 454558776083.

It is a super-3 number, since 3×3806778554540³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7320727730 + ... + 7320728249.

It is an arithmetic number, because the mean of its divisors is an integer number (358715671510).

Almost surely, 2^{3806778554540} is an apocalyptic number.

It is an amenable number.

3806778554540 is an abundant number, since it is smaller than the sum of its proper divisors (4802397561700).

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

3806778554540 is a wasteful number, since it uses less digits than its factorization.

3806778554540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14641456001 (or 14641455999 counting only the distinct ones).

The product of its (nonzero) digits is 112896000, while the sum is 62.

The spelling of 3806778554540 in words is "three trillion, eight hundred six billion, seven hundred seventy-eight million, five hundred fifty-four thousand, five hundred forty".