40344435 has 12 divisors (see below), whose sum is σ = 69930432. Its totient is φ = 21517008.

The previous prime is 40344433. The next prime is 40344439. The reversal of 40344435 is 53444304.

It is not a de Polignac number, because 40344435 - 2¹ = 40344433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40344399 and 40344408.

It is not an unprimeable number, because it can be changed into a prime (40344433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448227 + ... + 448316.

It is an arithmetic number, because the mean of its divisors is an integer number (5827536).

Almost surely, 2^40344435 is an apocalyptic number.

40344435 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40344435 is a deficient number, since it is larger than the sum of its proper divisors (29585997).

40344435 is a wasteful number, since it uses less digits than its factorization.

40344435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896554 (or 896551 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 40344435 is about 6351.7269305284. The cubic root of 40344435 is about 342.9740111263.

Adding to 40344435 its reverse (53444304), we get a palindrome (93788739).

The spelling of 40344435 in words is "forty million, three hundred forty-four thousand, four hundred thirty-five".