424409990 has 16 divisors (see below), whose sum is σ = 764223552. Its totient is φ = 169700544.

The previous prime is 424409989. The next prime is 424410013. The reversal of 424409990 is 99904424.

It is a super-2 number, since 2×424409990² = 360247679223600200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27842 + ... + 40298.

It is an arithmetic number, because the mean of its divisors is an integer number (47763972).

Almost surely, 2^424409990 is an apocalyptic number.

424409990 is a deficient number, since it is larger than the sum of its proper divisors (339813562).

424409990 is a wasteful number, since it uses less digits than its factorization.

424409990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15871.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 424409990 is about 20601.2133137832. The cubic root of 424409990 is about 751.4992174289.

The spelling of 424409990 in words is "four hundred twenty-four million, four hundred nine thousand, nine hundred ninety".