384051426855 has 32 divisors (see below), whose sum is σ = 636716298240. Its totient is φ = 197466339840.

The previous prime is 384051426827. The next prime is 384051426859. The reversal of 384051426855 is 558624150483.

It is not a de Polignac number, because 384051426855 - 2⁵ = 384051426823 is a prime.

It is a super-2 number, since 2×384051426855² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 384051426798 and 384051426807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384051426859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1447890 + ... + 1692479.

It is an arithmetic number, because the mean of its divisors is an integer number (19897384320).

Almost surely, 2^384051426855 is an apocalyptic number.

384051426855 is a deficient number, since it is larger than the sum of its proper divisors (252664871385).

384051426855 is a wasteful number, since it uses less digits than its factorization.

384051426855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140671.

The product of its (nonzero) digits is 4608000, while the sum is 51.

The spelling of 384051426855 in words is "three hundred eighty-four billion, fifty-one million, four hundred twenty-six thousand, eight hundred fifty-five".