40424465 has 24 divisors (see below), whose sum is σ = 51477120. Its totient is φ = 30459360.

The previous prime is 40424441. The next prime is 40424467. The reversal of 40424465 is 56442404.

It is a happy number.

It is not a de Polignac number, because 40424465 - 2¹⁸ = 40162321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40424467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225746 + ... + 225924.

It is an arithmetic number, because the mean of its divisors is an integer number (2144880).

Almost surely, 2^40424465 is an apocalyptic number.

It is an amenable number.

40424465 is a deficient number, since it is larger than the sum of its proper divisors (11052655).

40424465 is a wasteful number, since it uses less digits than its factorization.

40424465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 40424465 is about 6358.0236709216. The cubic root of 40424465 is about 343.2006436280.

Adding to 40424465 its reverse (56442404), we get a palindrome (96866869).

The spelling of 40424465 in words is "forty million, four hundred twenty-four thousand, four hundred sixty-five".