420355350 has 72 divisors (see below), whose sum is σ = 1165824192. Its totient is φ = 108475200.

The previous prime is 420355303. The next prime is 420355363. The reversal of 420355350 is 53553024.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1117 + ... + 29016.

Almost surely, 2^420355350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420355350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582912096).

420355350 is an abundant number, since it is smaller than the sum of its proper divisors (745468842).

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

420355350 is a wasteful number, since it uses less digits than its factorization.

420355350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30182 (or 30174 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 420355350 is about 20502.5693511813. The cubic root of 420355350 is about 749.0983832172.

The spelling of 420355350 in words is "four hundred twenty million, three hundred fifty-five thousand, three hundred fifty".