40342365 has 48 divisors (see below), whose sum is σ = 80870400. Its totient is φ = 18222336.

The previous prime is 40342363. The next prime is 40342369. The reversal of 40342365 is 56324304.

It is not a de Polignac number, because 40342365 - 2¹ = 40342363 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40342363) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27316 + ... + 28754.

It is an arithmetic number, because the mean of its divisors is an integer number (1684800).

Almost surely, 2^40342365 is an apocalyptic number.

40342365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40342365 is an abundant number, since it is smaller than the sum of its proper divisors (40528035).

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

40342365 is a wasteful number, since it uses less digits than its factorization.

40342365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546 (or 1543 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 40342365 is about 6351.5639806271. The cubic root of 40342365 is about 342.9681452339.

Adding to 40342365 its reverse (56324304), we get a palindrome (96666669).

The spelling of 40342365 in words is "forty million, three hundred forty-two thousand, three hundred sixty-five".