424420641 has 12 divisors (see below), whose sum is σ = 635758032. Its totient is φ = 282946932.

The previous prime is 424420631. The next prime is 424420649. The reversal of 424420641 is 146024424.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-424420641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (424420649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 873051 + ... + 873536.

It is an arithmetic number, because the mean of its divisors is an integer number (52979836).

Almost surely, 2^424420641 is an apocalyptic number.

It is an amenable number.

424420641 is a deficient number, since it is larger than the sum of its proper divisors (211337391).

424420641 is an equidigital number, since it uses as much as digits as its factorization.

424420641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746602 (or 1746590 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 424420641 is about 20601.4718163533. The cubic root of 424420641 is about 751.5055039218.

The spelling of 424420641 in words is "four hundred twenty-four million, four hundred twenty thousand, six hundred forty-one".