424446290 has 8 divisors (see below), whose sum is σ = 764003340. Its totient is φ = 169778512.

The previous prime is 424446287. The next prime is 424446299. The reversal of 424446290 is 92644424.

It can be written as a sum of positive squares in 2 ways, for example, as 351975121 + 72471169 = 18761^2 + 8513^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 424446290.

It is not an unprimeable number, because it can be changed into a prime (424446299) 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, 21222305 + ... + 21222324.

Almost surely, 2^424446290 is an apocalyptic number.

424446290 is a deficient number, since it is larger than the sum of its proper divisors (339557050).

424446290 is a wasteful number, since it uses less digits than its factorization.

424446290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42444636.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 424446290 is about 20602.0943110161. The cubic root of 424446290 is about 751.5206421868.

The spelling of 424446290 in words is "four hundred twenty-four million, four hundred forty-six thousand, two hundred ninety".