4400662679 has 4 divisors (see below), whose sum is σ = 5029328784. Its totient is φ = 3771996576.

The previous prime is 4400662667. The next prime is 4400662697. The reversal of 4400662679 is 9762660044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4400662679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400662879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314333042 + ... + 314333055.

It is an arithmetic number, because the mean of its divisors is an integer number (1257332196).

Almost surely, 2^4400662679 is an apocalyptic number.

4400662679 is a deficient number, since it is larger than the sum of its proper divisors (628666105).

4400662679 is an equidigital number, since it uses as much as digits as its factorization.

4400662679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628666104.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 4400662679 is about 66337.4907499522. The cubic root of 4400662679 is about 1638.7248017687.

The spelling of 4400662679 in words is "four billion, four hundred million, six hundred sixty-two thousand, six hundred seventy-nine".