172440484 has 12 divisors (see below), whose sum is σ = 301927500. Its totient is φ = 86175488.

The previous prime is 172440419. The next prime is 172440487. The reversal of 172440484 is 484044271.

172440484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47224384 + 125216100 = 6872^2 + 11190^2 .

It is not an unprimeable number, because it can be changed into a prime (172440487) 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, 1609 + ... + 18640.

It is an arithmetic number, because the mean of its divisors is an integer number (25160625).

Almost surely, 2^172440484 is an apocalyptic number.

It is an amenable number.

172440484 is a deficient number, since it is larger than the sum of its proper divisors (129487016).

172440484 is a wasteful number, since it uses less digits than its factorization.

172440484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22382 (or 22380 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 34.

The square root of 172440484 is about 13131.6596057010. The cubic root of 172440484 is about 556.6041127952.

The spelling of 172440484 in words is "one hundred seventy-two million, four hundred forty thousand, four hundred eighty-four".