4138488650 has 24 divisors (see below), whose sum is σ = 7861371840. Its totient is φ = 1620173360.

The previous prime is 4138488649. The next prime is 4138488659. The reversal of 4138488650 is 568848314.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 4138488595 and 4138488604.

It is not an unprimeable number, because it can be changed into a prime (4138488659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 878180 + ... + 882879.

It is an arithmetic number, because the mean of its divisors is an integer number (327557160).

Almost surely, 2^4138488650 is an apocalyptic number.

4138488650 is a deficient number, since it is larger than the sum of its proper divisors (3722883190).

4138488650 is a wasteful number, since it uses less digits than its factorization.

4138488650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761118 (or 1761113 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The square root of 4138488650 is about 64331.0861870060. The cubic root of 4138488650 is about 1605.5133562944.

The spelling of 4138488650 in words is "four billion, one hundred thirty-eight million, four hundred eighty-eight thousand, six hundred fifty".