4065524642 has 8 divisors (see below), whose sum is σ = 6099774876. Its totient is φ = 2032266352.

The previous prime is 4065524629. The next prime is 4065524663. The reversal of 4065524642 is 2464255604.

It can be written as a sum of positive squares in 2 ways, for example, as 3524915641 + 540609001 = 59371^2 + 23251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4065524642² = 33056981229418456328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4065524596 and 4065524605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237653 + ... + 254184.

Almost surely, 2^4065524642 is an apocalyptic number.

4065524642 is a deficient number, since it is larger than the sum of its proper divisors (2034250234).

4065524642 is a wasteful number, since it uses less digits than its factorization.

4065524642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495972.

The product of its (nonzero) digits is 230400, while the sum is 38.

The square root of 4065524642 is about 63761.4667491268. The cubic root of 4065524642 is about 1596.0219721830.

The spelling of 4065524642 in words is "four billion, sixty-five million, five hundred twenty-four thousand, six hundred forty-two".