4064280645 has 16 divisors (see below), whose sum is σ = 6525050112. Its totient is φ = 2160216000.

The previous prime is 4064280643. The next prime is 4064280659. The reversal of 4064280645 is 5460824604.

It is not a de Polignac number, because 4064280645 - 2¹ = 4064280643 is a prime.

It is a super-2 number, since 2×4064280645² = 33036754322643232050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4064280643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457981 + ... + 466770.

It is an arithmetic number, because the mean of its divisors is an integer number (407815632).

Almost surely, 2^4064280645 is an apocalyptic number.

It is an amenable number.

4064280645 is a deficient number, since it is larger than the sum of its proper divisors (2460769467).

4064280645 is a wasteful number, since it uses less digits than its factorization.

4064280645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925052.

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 4064280645 is about 63751.7109182177. The cubic root of 4064280645 is about 1595.8591683417.

The spelling of 4064280645 in words is "four billion, sixty-four million, two hundred eighty thousand, six hundred forty-five".