433400255 has 4 divisors (see below), whose sum is σ = 520080312. Its totient is φ = 346720200.

The previous prime is 433400249. The next prime is 433400267. The reversal of 433400255 is 552004334.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 433400255 - 2⁸ = 433399999 is a prime.

It is a Duffinian number.

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, 43340021 + ... + 43340030.

It is an arithmetic number, because the mean of its divisors is an integer number (130020078).

Almost surely, 2^433400255 is an apocalyptic number.

433400255 is a deficient number, since it is larger than the sum of its proper divisors (86680057).

433400255 is an equidigital number, since it uses as much as digits as its factorization.

433400255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86680056.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 433400255 is about 20818.2673390463. The cubic root of 433400255 is about 756.7685132908.

Adding to 433400255 its reverse (552004334), we get a palindrome (985404589).

The spelling of 433400255 in words is "four hundred thirty-three million, four hundred thousand, two hundred fifty-five".