4407440197 has 4 divisors (see below), whose sum is σ = 4490599500. Its totient is φ = 4324280896.

The previous prime is 4407440161. The next prime is 4407440201. The reversal of 4407440197 is 7910447044.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2407472356 + 1999967841 = 49066^2 + 44721^2 .

It is a cyclic number.

It is not a de Polignac number, because 4407440197 - 2¹⁵ = 4407407429 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 (4407440117) 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, 41579572 + ... + 41579677.

It is an arithmetic number, because the mean of its divisors is an integer number (1122649875).

Almost surely, 2^4407440197 is an apocalyptic number.

It is an amenable number.

4407440197 is a deficient number, since it is larger than the sum of its proper divisors (83159303).

4407440197 is an equidigital number, since it uses as much as digits as its factorization.

4407440197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83159302.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 4407440197 is about 66388.5547138963. The cubic root of 4407440197 is about 1639.5656440672.

The spelling of 4407440197 in words is "four billion, four hundred seven million, four hundred forty thousand, one hundred ninety-seven".