3855242380 has 48 divisors (see below), whose sum is σ = 9070731936. Its totient is φ = 1364014080.

The previous prime is 3855242333. The next prime is 3855242383. The reversal of 3855242380 is 832425583.

It is not an unprimeable number, because it can be changed into a prime (3855242383) 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, 228669 + ... + 244948.

It is an arithmetic number, because the mean of its divisors is an integer number (188973582).

Almost surely, 2^3855242380 is an apocalyptic number.

It is an amenable number.

3855242380 is an abundant number, since it is smaller than the sum of its proper divisors (5215489556).

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

3855242380 is a wasteful number, since it uses less digits than its factorization.

3855242380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473674 (or 473672 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 3855242380 is about 62090.5981610743. The cubic root of 3855242380 is about 1568.0162620441.

The spelling of 3855242380 in words is "three billion, eight hundred fifty-five million, two hundred forty-two thousand, three hundred eighty".