3840566820 has 48 divisors (see below), whose sum is σ = 10774236480. Its totient is φ = 1022184576.

The previous prime is 3840566809. The next prime is 3840566837. The reversal of 3840566820 is 286650483.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29815 + ... + 92574.

It is an arithmetic number, because the mean of its divisors is an integer number (224463260).

Almost surely, 2^3840566820 is an apocalyptic number.

3840566820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3840566820 is an abundant number, since it is smaller than the sum of its proper divisors (6933669660).

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

3840566820 is a wasteful number, since it uses less digits than its factorization.

3840566820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122924 (or 122922 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 3840566820 is about 61972.3068797669. The cubic root of 3840566820 is about 1566.0241021655.

The spelling of 3840566820 in words is "three billion, eight hundred forty million, five hundred sixty-six thousand, eight hundred twenty".