3855945600472 has 96 divisors (see below), whose sum is σ = 8724938526720. Its totient is φ = 1564776895680.

The previous prime is 3855945600449. The next prime is 3855945600527. The reversal of 3855945600472 is 2740065495583.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40606953 + ... + 40701799.

It is an arithmetic number, because the mean of its divisors is an integer number (90884776320).

Almost surely, 2^{3855945600472} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3855945600472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4362469263360).

3855945600472 is an abundant number, since it is smaller than the sum of its proper divisors (4868992926248).

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

3855945600472 is a wasteful number, since it uses less digits than its factorization.

3855945600472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96909 (or 96886 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 58.

The spelling of 3855945600472 in words is "three trillion, eight hundred fifty-five billion, nine hundred forty-five million, six hundred thousand, four hundred seventy-two".