40344000425 has 12 divisors (see below), whose sum is σ = 52201629120. Its totient is φ = 30871930320.

The previous prime is 40344000419. The next prime is 40344000443. The reversal of 40344000425 is 52400044304.

It is a de Polignac number, because none of the positive numbers 2^k-40344000425 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40344000394 and 40344000403.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 35081165 + ... + 35082314.

It is an arithmetic number, because the mean of its divisors is an integer number (4350135760).

Almost surely, 2^40344000425 is an apocalyptic number.

It is an amenable number.

40344000425 is a deficient number, since it is larger than the sum of its proper divisors (11857628695).

40344000425 is a wasteful number, since it uses less digits than its factorization.

40344000425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70163512 (or 70163507 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 40344000425 its reverse (52400044304), we get a palindrome (92744044729).

The spelling of 40344000425 in words is "forty billion, three hundred forty-four million, four hundred twenty-five", and thus it is an aban number.