420267455532 has 96 divisors (see below), whose sum is σ = 1114322227200. Its totient is φ = 136916649216.

The previous prime is 420267455521. The next prime is 420267455539. The reversal of 420267455532 is 235554762024.

420267455532 is a `hidden beast` number, since 4 + 2 + 0 + 2 + 67 + 4 + 55 + 532 = 666.

It is not an unprimeable number, because it can be changed into a prime (420267455539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3592068 + ... + 3707220.

It is an arithmetic number, because the mean of its divisors is an integer number (11607523200).

Almost surely, 2^420267455532 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 420267455532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557161113600).

420267455532 is an abundant number, since it is smaller than the sum of its proper divisors (694054771668).

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

420267455532 is a wasteful number, since it uses less digits than its factorization.

420267455532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115932 (or 115924 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 45.

The spelling of 420267455532 in words is "four hundred twenty billion, two hundred sixty-seven million, four hundred fifty-five thousand, five hundred thirty-two".