40433020 has 12 divisors (see below), whose sum is σ = 84909384. Its totient is φ = 16173200.

The previous prime is 40432999. The next prime is 40433023. The reversal of 40433020 is 2033404.

It is a junction number, because it is equal to n+sod(n) for n = 40432985 and 40433003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40433023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010806 + ... + 1010845.

It is an arithmetic number, because the mean of its divisors is an integer number (7075782).

Almost surely, 2^40433020 is an apocalyptic number.

It is an amenable number.

40433020 is an abundant number, since it is smaller than the sum of its proper divisors (44476364).

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

40433020 is a wasteful number, since it uses less digits than its factorization.

40433020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021660 (or 2021658 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 40433020 is about 6358.6964072835. The cubic root of 40433020 is about 343.2248523542.

Adding to 40433020 its reverse (2033404), we get a palindrome (42466424).

The spelling of 40433020 in words is "forty million, four hundred thirty-three thousand, twenty".