40344233025 has 24 divisors (see below), whose sum is σ = 66900437344. Its totient is φ = 21453062400.

The previous prime is 40344232993. The next prime is 40344233081. The reversal of 40344233025 is 52033244304.

It is not a de Polignac number, because 40344233025 - 2⁵ = 40344232993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40344232983 and 40344233001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 772831 + ... + 823380.

Almost surely, 2^40344233025 is an apocalyptic number.

It is an amenable number.

40344233025 is a deficient number, since it is larger than the sum of its proper divisors (26556204319).

40344233025 is a wasteful number, since it uses less digits than its factorization.

40344233025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596561 (or 1596556 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 40344233025 its reverse (52033244304), we get a palindrome (92377477329).

The spelling of 40344233025 in words is "forty billion, three hundred forty-four million, two hundred thirty-three thousand, twenty-five".