4065237664 has 12 divisors (see below), whose sum is σ = 8003436714. Its totient is φ = 2032618816.

The previous prime is 4065237653. The next prime is 4065237677. The reversal of 4065237664 is 4667325604.

It can be written as a sum of positive squares in only one way, i.e., 2598960400 + 1466277264 = 50980^2 + 38292^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4065237664.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63519307 + ... + 63519370.

Almost surely, 2^4065237664 is an apocalyptic number.

It is an amenable number.

4065237664 is a deficient number, since it is larger than the sum of its proper divisors (3938199050).

4065237664 is a wasteful number, since it uses less digits than its factorization.

4065237664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127038687 (or 127038679 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 43.

The square root of 4065237664 is about 63759.2163063506. The cubic root of 4065237664 is about 1595.9844178687.

The spelling of 4065237664 in words is "four billion, sixty-five million, two hundred thirty-seven thousand, six hundred sixty-four".