433420340 has 12 divisors (see below), whose sum is σ = 910182756. Its totient is φ = 173368128.

The previous prime is 433420279. The next prime is 433420363. The reversal of 433420340 is 43024334.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 87534736 + 345885604 = 9356^2 + 18598^2 .

It is a super-2 number, since 2×433420340² = 375706382251431200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10835489 + ... + 10835528.

It is an arithmetic number, because the mean of its divisors is an integer number (75848563).

Almost surely, 2^433420340 is an apocalyptic number.

It is an amenable number.

433420340 is an abundant number, since it is smaller than the sum of its proper divisors (476762416).

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

433420340 is a wasteful number, since it uses less digits than its factorization.

433420340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21671026 (or 21671024 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 433420340 is about 20818.7497223056. The cubic root of 433420340 is about 756.7802033784.

Adding to 433420340 its reverse (43024334), we get a palindrome (476444674).

The spelling of 433420340 in words is "four hundred thirty-three million, four hundred twenty thousand, three hundred forty".