420436225146 has 64 divisors (see below), whose sum is σ = 965857229568. Its totient is φ = 119518468608.

The previous prime is 420436225127. The next prime is 420436225159. The reversal of 420436225146 is 641522634024.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 7565116 + ... + 7620488.

It is an arithmetic number, because the mean of its divisors is an integer number (15091519212).

Almost surely, 2^420436225146 is an apocalyptic number.

420436225146 is an abundant number, since it is smaller than the sum of its proper divisors (545421004422).

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

420436225146 is a wasteful number, since it uses less digits than its factorization.

420436225146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56295.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 420436225146 in words is "four hundred twenty billion, four hundred thirty-six million, two hundred twenty-five thousand, one hundred forty-six".