4080840664 has 8 divisors (see below), whose sum is σ = 7651576260. Its totient is φ = 2040420328.

The previous prime is 4080840649. The next prime is 4080840679. The reversal of 4080840664 is 4660480804.

It is an interprime number because it is at equal distance from previous prime (4080840649) and next prime (4080840679).

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-4 number, since 4×4080840664⁴ (a number of 40 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255052534 + ... + 255052549.

Almost surely, 2^4080840664 is an apocalyptic number.

It is an amenable number.

4080840664 is a deficient number, since it is larger than the sum of its proper divisors (3570735596).

4080840664 is a wasteful number, since it uses less digits than its factorization.

4080840664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510105089 (or 510105085 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 4080840664 is about 63881.4579044655. The cubic root of 4080840664 is about 1598.0236879994.

The spelling of 4080840664 in words is "four billion, eighty million, eight hundred forty thousand, six hundred sixty-four".