4079026665 has 96 divisors (see below), whose sum is σ = 8684133120. Its totient is φ = 1728663552.

The previous prime is 4079026661. The next prime is 4079026673. The reversal of 4079026665 is 5666209704.

It is not a de Polignac number, because 4079026665 - 2² = 4079026661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4079026665.

It is not an unprimeable number, because it can be changed into a prime (4079026661) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 353101 + ... + 364469.

It is an arithmetic number, because the mean of its divisors is an integer number (90459720).

Almost surely, 2^4079026665 is an apocalyptic number.

4079026665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4079026665 is an abundant number, since it is smaller than the sum of its proper divisors (4605106455).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4079026665 is a wasteful number, since it uses less digits than its factorization.

4079026665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11471 (or 11468 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 4079026665 is about 63867.2581609701. The cubic root of 4079026665 is about 1597.7868705362.

The spelling of 4079026665 in words is "four billion, seventy-nine million, twenty-six thousand, six hundred sixty-five".