3366780481856 has 28 divisors (see below), whose sum is σ = 7288314567360. Its totient is φ = 1530354764160.

The previous prime is 3366780481843. The next prime is 3366780481859. The reversal of 3366780481856 is 6581840876633.

It is a happy number.

It is a super-2 number, since 2×3366780481856² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3366780481792 and 3366780481801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3366780481859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2391178616 + ... + 2391180023.

Almost surely, 2^{3366780481856} is an apocalyptic number.

It is an amenable number.

3366780481856 is an abundant number, since it is smaller than the sum of its proper divisors (3921534085504).

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

3366780481856 is a wasteful number, since it uses less digits than its factorization.

3366780481856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782358662 (or 4782358652 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 65.

The spelling of 3366780481856 in words is "three trillion, three hundred sixty-six billion, seven hundred eighty million, four hundred eighty-one thousand, eight hundred fifty-six".