420433041242 has 16 divisors (see below), whose sum is σ = 634175053512. Its totient is φ = 209041508160.

The previous prime is 420433041229. The next prime is 420433041247. The reversal of 420433041242 is 242140334024.

It can be written as a sum of positive squares in 4 ways, for example, as 248092651921 + 172340389321 = 498089^2 + 415139^2 .

It is not an unprimeable number, because it can be changed into a prime (420433041247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7753448 + ... + 7807484.

Almost surely, 2^420433041242 is an apocalyptic number.

420433041242 is a deficient number, since it is larger than the sum of its proper divisors (213742012270).

420433041242 is a wasteful number, since it uses less digits than its factorization.

420433041242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75713.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 420433041242 its reverse (242140334024), we get a palindrome (662573375266).

The spelling of 420433041242 in words is "four hundred twenty billion, four hundred thirty-three million, forty-one thousand, two hundred forty-two".