420000036652 has 24 divisors (see below), whose sum is σ = 844221190400. Its totient is φ = 179095490640.

The previous prime is 420000036623. The next prime is 420000036697. The reversal of 420000036652 is 256630000024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 420000036652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37682874 + ... + 37694017.

Almost surely, 2^420000036652 is an apocalyptic number.

It is an amenable number.

420000036652 is an abundant number, since it is smaller than the sum of its proper divisors (424221153748).

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

420000036652 is a wasteful number, since it uses less digits than its factorization.

420000036652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75377101 (or 75377099 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 420000036652 its reverse (256630000024), we get a palindrome (676630036676).

The spelling of 420000036652 in words is "four hundred twenty billion, thirty-six thousand, six hundred fifty-two".