420244627 has 16 divisors (see below), whose sum is σ = 465776640. Its totient is φ = 375984000.

The previous prime is 420244619. The next prime is 420244639. The reversal of 420244627 is 726442024.

It is a cyclic number.

It is not a de Polignac number, because 420244627 - 2³ = 420244619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420244667) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 186574 + ... + 188812.

It is an arithmetic number, because the mean of its divisors is an integer number (29111040).

Almost surely, 2^420244627 is an apocalyptic number.

420244627 is a deficient number, since it is larger than the sum of its proper divisors (45532013).

420244627 is a wasteful number, since it uses less digits than its factorization.

420244627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 420244627 is about 20499.8689508006. The cubic root of 420244627 is about 749.0326057714.

The spelling of 420244627 in words is "four hundred twenty million, two hundred forty-four thousand, six hundred twenty-seven".