40434424 has 8 divisors (see below), whose sum is σ = 75814560. Its totient is φ = 20217208.

The previous prime is 40434421. The next prime is 40434431. The reversal of 40434424 is 42443404.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40434421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527144 + ... + 2527159.

It is an arithmetic number, because the mean of its divisors is an integer number (9476820).

Almost surely, 2^40434424 is an apocalyptic number.

It is an amenable number.

40434424 is a deficient number, since it is larger than the sum of its proper divisors (35380136).

40434424 is a wasteful number, since it uses less digits than its factorization.

40434424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054309 (or 5054305 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 40434424 is about 6358.8068063120. The cubic root of 40434424 is about 343.2288250322.

Adding to 40434424 its reverse (42443404), we get a palindrome (82877828).

The spelling of 40434424 in words is "forty million, four hundred thirty-four thousand, four hundred twenty-four".