3853540945420 has 24 divisors (see below), whose sum is σ = 8093147386464. Its totient is φ = 1541280873216.

The previous prime is 3853540945381. The next prime is 3853540945561. The reversal of 3853540945420 is 245490453583.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8235709 + ... + 8691028.

It is an arithmetic number, because the mean of its divisors is an integer number (337214474436).

Almost surely, 2^{3853540945420} is an apocalyptic number.

It is an amenable number.

3853540945420 is an abundant number, since it is smaller than the sum of its proper divisors (4239606441044).

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

3853540945420 is a wasteful number, since it uses less digits than its factorization.

3853540945420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16938129 (or 16938127 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 3853540945420 in words is "three trillion, eight hundred fifty-three billion, five hundred forty million, nine hundred forty-five thousand, four hundred twenty".