3855145147008 has 64 divisors (see below), whose sum is σ = 10593340682400. Its totient is φ = 1240736365568.

The previous prime is 3855145147003. The next prime is 3855145147103. The reversal of 3855145147008 is 8007415415583.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (3855145147003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173082666 + ... + 173104937.

Almost surely, 2^{3855145147008} is an apocalyptic number.

It is an amenable number.

3855145147008 is an abundant number, since it is smaller than the sum of its proper divisors (6738195535392).

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

3855145147008 is a wasteful number, since it uses less digits than its factorization.

3855145147008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346187649 (or 346187637 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 51.

The spelling of 3855145147008 in words is "three trillion, eight hundred fifty-five billion, one hundred forty-five million, one hundred forty-seven thousand, eight".