420431350 has 24 divisors (see below), whose sum is σ = 782851680. Its totient is φ = 167989920.

The previous prime is 420431287. The next prime is 420431359. The reversal of 420431350 is 53134024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420431359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47904 + ... + 55996.

It is an arithmetic number, because the mean of its divisors is an integer number (32618820).

Almost surely, 2^420431350 is an apocalyptic number.

420431350 is a deficient number, since it is larger than the sum of its proper divisors (362420330).

420431350 is a wasteful number, since it uses less digits than its factorization.

420431350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9144 (or 9139 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 420431350 is about 20504.4226936532. The cubic root of 420431350 is about 749.1435260124.

Adding to 420431350 its reverse (53134024), we get a palindrome (473565374).

The spelling of 420431350 in words is "four hundred twenty million, four hundred thirty-one thousand, three hundred fifty".