40440024225 has 96 divisors (see below), whose sum is σ = 76278153600. Its totient is φ = 20997100800.

The previous prime is 40440024223. The next prime is 40440024227. The reversal of 40440024225 is 52242004404.

It is an interprime number because it is at equal distance from previous prime (40440024223) and next prime (40440024227).

It is not a de Polignac number, because 40440024225 - 2¹ = 40440024223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40440024223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4682211 + ... + 4690839.

It is an arithmetic number, because the mean of its divisors is an integer number (794564100).

Almost surely, 2^40440024225 is an apocalyptic number.

40440024225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40440024225 is a deficient number, since it is larger than the sum of its proper divisors (35838129375).

40440024225 is a wasteful number, since it uses less digits than its factorization.

40440024225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8832 (or 8821 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

Adding to 40440024225 its reverse (52242004404), we get a palindrome (92682028629).

The spelling of 40440024225 in words is "forty billion, four hundred forty million, twenty-four thousand, two hundred twenty-five".