3856004733720 has 64 divisors (see below), whose sum is σ = 11569108007520. Its totient is φ = 1028170701824.

The previous prime is 3856004733719. The next prime is 3856004733727. The reversal of 3856004733720 is 273374006583.

3856004733720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3856004733720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3856004733727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240309 + ... + 2787428.

Almost surely, 2^{3856004733720} is an apocalyptic number.

3856004733720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3856004733720 is an abundant number, since it is smaller than the sum of its proper divisors (7713103273800).

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

3856004733720 is a wasteful number, since it uses less digits than its factorization.

3856004733720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038364 (or 3038360 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 3856004733720 in words is "three trillion, eight hundred fifty-six billion, four million, seven hundred thirty-three thousand, seven hundred twenty".