420225500552 has 128 divisors (see below), whose sum is σ = 990367862400. Its totient is φ = 164299622400.

The previous prime is 420225500521. The next prime is 420225500603. The reversal of 420225500552 is 255005522024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1167428 + ... + 1484364.

It is an arithmetic number, because the mean of its divisors is an integer number (7737248925).

Almost surely, 2^420225500552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420225500552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495183931200).

420225500552 is an abundant number, since it is smaller than the sum of its proper divisors (570142361848).

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

420225500552 is a wasteful number, since it uses less digits than its factorization.

420225500552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317047 (or 317043 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The spelling of 420225500552 in words is "four hundred twenty billion, two hundred twenty-five million, five hundred thousand, five hundred fifty-two".