8445242404 has 9 divisors (see below), whose sum is σ = 14779495857. Its totient is φ = 4222529304.

The previous prime is 8445242387. The next prime is 8445242459. The reversal of 8445242404 is 4042425448.

The square root of 8445242404 is 91898.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7140588004 + 1304654400 = 84502^2 + 36120^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 160822 + ... + 206770.

Almost surely, 2^8445242404 is an apocalyptic number.

8445242404 is the 91898-th square number.

It is an amenable number.

8445242404 is a deficient number, since it is larger than the sum of its proper divisors (6334253453).

8445242404 is an frugal number, since it uses more digits than its factorization.

8445242404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91902 (or 45951 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 37.

The cubic root of 8445242404 is about 2036.4357218634.

The spelling of 8445242404 in words is "eight billion, four hundred forty-five million, two hundred forty-two thousand, four hundred four".