4086440640461 has 8 divisors (see below), whose sum is σ = 4124740156704. Its totient is φ = 4048143133360.

The previous prime is 4086440640449. The next prime is 4086440640473. The reversal of 4086440640461 is 1640460446804.

It is an interprime number because it is at equal distance from previous prime (4086440640449) and next prime (4086440640473).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4086440640461 is a prime.

It is a super-2 number, since 2×4086440640461² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4086440645461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3752726 + ... + 4717608.

It is an arithmetic number, because the mean of its divisors is an integer number (515592519588).

Almost surely, 2^{4086440640461} is an apocalyptic number.

It is an amenable number.

4086440640461 is a deficient number, since it is larger than the sum of its proper divisors (38299516243).

4086440640461 is a wasteful number, since it uses less digits than its factorization.

4086440640461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004571.

The product of its (nonzero) digits is 1769472, while the sum is 47.

The spelling of 4086440640461 in words is "four trillion, eighty-six billion, four hundred forty million, six hundred forty thousand, four hundred sixty-one".