433420040 has 32 divisors (see below), whose sum is σ = 975818880. Its totient is φ = 173257152.

The previous prime is 433420033. The next prime is 433420087. The reversal of 433420040 is 40024334.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 433419994 and 433420021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93047 + ... + 97593.

It is an arithmetic number, because the mean of its divisors is an integer number (30494340).

Almost surely, 2^433420040 is an apocalyptic number.

433420040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

433420040 is an abundant number, since it is smaller than the sum of its proper divisors (542398840).

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

433420040 is a wasteful number, since it uses less digits than its factorization.

433420040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6941 (or 6937 counting only the distinct ones).

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

The square root of 433420040 is about 20818.7425172607. The cubic root of 433420040 is about 756.7800287718.

Adding to 433420040 its reverse (40024334), we get a palindrome (473444374).

The spelling of 433420040 in words is "four hundred thirty-three million, four hundred twenty thousand, forty".