40442452325 has 24 divisors (see below), whose sum is σ = 54728208480. Its totient is φ = 29401617600.

The previous prime is 40442452313. The next prime is 40442452327. The reversal of 40442452325 is 52325424404.

It is not a de Polignac number, because 40442452325 - 2²⁰ = 40441403749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442452327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 742886 + ... + 795464.

It is an arithmetic number, because the mean of its divisors is an integer number (2280342020).

Almost surely, 2^40442452325 is an apocalyptic number.

It is an amenable number.

40442452325 is a deficient number, since it is larger than the sum of its proper divisors (14285756155).

40442452325 is a wasteful number, since it uses less digits than its factorization.

40442452325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55397 (or 55392 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 40442452325 its reverse (52325424404), we get a palindrome (92767876729).

The spelling of 40442452325 in words is "forty billion, four hundred forty-two million, four hundred fifty-two thousand, three hundred twenty-five".