424273444 has 24 divisors (see below), whose sum is σ = 852954368. Its totient is φ = 180887040.

The previous prime is 424273429. The next prime is 424273459. The reversal of 424273444 is 444372424.

It is an interprime number because it is at equal distance from previous prime (424273429) and next prime (424273459).

It is a super-2 number, since 2×424273444² = 360015910567242272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33852 + ... + 44659.

Almost surely, 2^424273444 is an apocalyptic number.

It is an amenable number.

424273444 is an abundant number, since it is smaller than the sum of its proper divisors (428680924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424273444 is a wasteful number, since it uses less digits than its factorization.

424273444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78715 (or 78713 counting only the distinct ones).

The product of its digits is 86016, while the sum is 34.

The square root of 424273444 is about 20597.8990190747. The cubic root of 424273444 is about 751.4186151644.

The spelling of 424273444 in words is "four hundred twenty-four million, two hundred seventy-three thousand, four hundred forty-four".