420420004011452 has 12 divisors (see below), whose sum is σ = 738334777364856. Its totient is φ = 209467210478640.

The previous prime is 420420004011389. The next prime is 420420004011457. The reversal of 420420004011452 is 254110400024024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420420004011457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185697880499 + ... + 185697882762.

It is an arithmetic number, because the mean of its divisors is an integer number (61527898113738).

Almost surely, 2^{420420004011452} is an apocalyptic number.

It is an amenable number.

420420004011452 is a deficient number, since it is larger than the sum of its proper divisors (317914773353404).

420420004011452 is a wasteful number, since it uses less digits than its factorization.

420420004011452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371395763548 (or 371395763546 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 420420004011452 its reverse (254110400024024), we get a palindrome (674530404035476).

The spelling of 420420004011452 in words is "four hundred twenty trillion, four hundred twenty billion, four million, eleven thousand, four hundred fifty-two".