472144405 has 8 divisors (see below), whose sum is σ = 577263672. Its totient is φ = 370588608.

The previous prime is 472144403. The next prime is 472144411. The reversal of 472144405 is 504441274.

It can be written as a sum of positive squares in 4 ways, for example, as 13242321 + 458902084 = 3639^2 + 21422^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 472144405 - 2¹ = 472144403 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 (472144403) 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, 890574 + ... + 891103.

It is an arithmetic number, because the mean of its divisors is an integer number (72157959).

Almost surely, 2^472144405 is an apocalyptic number.

It is an amenable number.

472144405 is a deficient number, since it is larger than the sum of its proper divisors (105119267).

472144405 is a wasteful number, since it uses less digits than its factorization.

472144405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781735.

The product of its (nonzero) digits is 17920, while the sum is 31.

The square root of 472144405 is about 21728.8841176900. The cubic root of 472144405 is about 778.6786773592.

Adding to 472144405 its reverse (504441274), we get a palindrome (976585679).

The spelling of 472144405 in words is "four hundred seventy-two million, one hundred forty-four thousand, four hundred five".