40510245 has 32 divisors (see below), whose sum is σ = 69984000. Its totient is φ = 19948544.

The previous prime is 40510241. The next prime is 40510247. The reversal of 40510245 is 54201504.

It is not a de Polignac number, because 40510245 - 2² = 40510241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40510241) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7981 + ... + 12029.

It is an arithmetic number, because the mean of its divisors is an integer number (2187000).

Almost surely, 2^40510245 is an apocalyptic number.

It is an amenable number.

40510245 is a deficient number, since it is larger than the sum of its proper divisors (29473755).

40510245 is a wasteful number, since it uses less digits than its factorization.

40510245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 40510245 is about 6364.7659030007. The cubic root of 40510245 is about 343.4432273553.

Adding to 40510245 its reverse (54201504), we get a palindrome (94711749).

It can be divided in two parts, 40510 and 245, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 40510245 in words is "forty million, five hundred ten thousand, two hundred forty-five".