3865240204750 has 64 divisors (see below), whose sum is σ = 7285339376640. Its totient is φ = 1535500500000.

The previous prime is 3865240204673. The next prime is 3865240204757. The reversal of 3865240204750 is 574020425683.

It is a self number, because there is not a number n which added to its sum of digits gives 3865240204750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865240204757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213316191 + ... + 213334309.

It is an arithmetic number, because the mean of its divisors is an integer number (113833427760).

Almost surely, 2^{3865240204750} is an apocalyptic number.

3865240204750 is a deficient number, since it is larger than the sum of its proper divisors (3420099171890).

3865240204750 is a wasteful number, since it uses less digits than its factorization.

3865240204750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23938 (or 23928 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 3865240204750 in words is "three trillion, eight hundred sixty-five billion, two hundred forty million, two hundred four thousand, seven hundred fifty".