433042040 has 32 divisors (see below), whose sum is σ = 975062880. Its totient is φ = 173089152.

The previous prime is 433042033. The next prime is 433042061. The reversal of 433042040 is 40240334.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66197 + ... + 72443.

It is an arithmetic number, because the mean of its divisors is an integer number (30470715).

Almost surely, 2^433042040 is an apocalyptic number.

433042040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

433042040 is an abundant number, since it is smaller than the sum of its proper divisors (542020840).

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

433042040 is a wasteful number, since it uses less digits than its factorization.

433042040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7991 (or 7987 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 433042040 is about 20809.6621789014. The cubic root of 433042040 is about 756.5599604575.

Adding to 433042040 its reverse (40240334), we get a palindrome (473282374).

The spelling of 433042040 in words is "four hundred thirty-three million, forty-two thousand, forty".