424666240 has 32 divisors (see below), whose sum is σ = 1015219260. Its totient is φ = 169866240.

The previous prime is 424666217. The next prime is 424666271. The reversal of 424666240 is 42666424.

It can be written as a sum of positive squares in 2 ways, for example, as 395850816 + 28815424 = 19896^2 + 5368^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 424666196 and 424666205.

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 3 ways as a sum of consecutive naturals, for example, 331131 + ... + 332410.

Almost surely, 2^424666240 is an apocalyptic number.

424666240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424666240 is an abundant number, since it is smaller than the sum of its proper divisors (590553020).

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

424666240 is an equidigital number, since it uses as much as digits as its factorization.

424666240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663560 (or 663548 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 424666240 is about 20607.4316691819. The cubic root of 424666240 is about 751.6504335761.

The spelling of 424666240 in words is "four hundred twenty-four million, six hundred sixty-six thousand, two hundred forty".