3855443630 has 16 divisors (see below), whose sum is σ = 6958410624. Its totient is φ = 1538041440.

The previous prime is 3855443561. The next prime is 3855443639. The reversal of 3855443630 is 363445583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3855443639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513086 + ... + 520545.

It is an arithmetic number, because the mean of its divisors is an integer number (434900664).

Almost surely, 2^3855443630 is an apocalyptic number.

3855443630 is a deficient number, since it is larger than the sum of its proper divisors (3102966994).

3855443630 is a wasteful number, since it uses less digits than its factorization.

3855443630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034011.

The product of its (nonzero) digits is 518400, while the sum is 41.

The square root of 3855443630 is about 62092.2187556541. The cubic root of 3855443630 is about 1568.0435459129.

The spelling of 3855443630 in words is "three billion, eight hundred fifty-five million, four hundred forty-three thousand, six hundred thirty".