424440919 has 8 divisors (see below), whose sum is σ = 506165760. Its totient is φ = 347988696.

The previous prime is 424440899. The next prime is 424440923. The reversal of 424440919 is 919044424.

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 424440919 - 2⁹ = 424440407 is a prime.

It is a super-2 number, since 2×424440919² = 360300187443129122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424440619) 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, 1317979 + ... + 1318300.

It is an arithmetic number, because the mean of its divisors is an integer number (63270720).

Almost surely, 2^424440919 is an apocalyptic number.

424440919 is a deficient number, since it is larger than the sum of its proper divisors (81724841).

424440919 is a wasteful number, since it uses less digits than its factorization.

424440919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636309.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 424440919 is about 20601.9639597782. The cubic root of 424440919 is about 751.5174722259.

The spelling of 424440919 in words is "four hundred twenty-four million, four hundred forty thousand, nine hundred nineteen".