420624400242 has 8 divisors (see below), whose sum is σ = 841248800496. Its totient is φ = 140208133412.

The previous prime is 420624400201. The next prime is 420624400253. The reversal of 420624400242 is 242004426024.

It is a sphenic number, since it is the product of 3 distinct primes.

420624400242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35052033348 + ... + 35052033359.

It is an arithmetic number, because the mean of its divisors is an integer number (105156100062).

Almost surely, 2^420624400242 is an apocalyptic number.

420624400242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

420624400242 is a wasteful number, since it uses less digits than its factorization.

420624400242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70104066712.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 420624400242 its reverse (242004426024), we get a palindrome (662628826266).

The spelling of 420624400242 in words is "four hundred twenty billion, six hundred twenty-four million, four hundred thousand, two hundred forty-two".