40434383 has 4 divisors (see below), whose sum is σ = 44110248. Its totient is φ = 36758520.

The previous prime is 40434379. The next prime is 40434421. The reversal of 40434383 is 38343404.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40434383 - 2² = 40434379 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40434083) 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, 1837916 + ... + 1837937.

It is an arithmetic number, because the mean of its divisors is an integer number (11027562).

Almost surely, 2^40434383 is an apocalyptic number.

40434383 is a deficient number, since it is larger than the sum of its proper divisors (3675865).

40434383 is a wasteful number, since it uses less digits than its factorization.

40434383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675864.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 40434383 is about 6358.8035824359. The cubic root of 40434383 is about 343.2287090223.

Adding to 40434383 its reverse (38343404), we get a palindrome (78777787).

The spelling of 40434383 in words is "forty million, four hundred thirty-four thousand, three hundred eighty-three".