40502445 has 8 divisors (see below), whose sum is σ = 64803936. Its totient is φ = 21601296.

The previous prime is 40502437. The next prime is 40502467. The reversal of 40502445 is 54420504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40502445 - 2³ = 40502437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350067 + ... + 1350096.

It is an arithmetic number, because the mean of its divisors is an integer number (8100492).

Almost surely, 2^40502445 is an apocalyptic number.

It is an amenable number.

40502445 is a deficient number, since it is larger than the sum of its proper divisors (24301491).

40502445 is a wasteful number, since it uses less digits than its factorization.

40502445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700171.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 40502445 is about 6364.1531251220. The cubic root of 40502445 is about 343.4211833092.

Adding to 40502445 its reverse (54420504), we get a palindrome (94922949).

The spelling of 40502445 in words is "forty million, five hundred two thousand, four hundred forty-five".