40321004405325 has 144 divisors (see below), whose sum is σ = 79318693368000. Its totient is φ = 18014286151680.

The previous prime is 40321004405249. The next prime is 40321004405371. The reversal of 40321004405325 is 52350440012304.

It is not a de Polignac number, because 40321004405325 - 2³² = 40316709438029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 49654426 + ... + 50459924.

It is an arithmetic number, because the mean of its divisors is an integer number (550824259500).

Almost surely, 2^{40321004405325} is an apocalyptic number.

It is an amenable number.

40321004405325 is a deficient number, since it is larger than the sum of its proper divisors (38997688962675).

40321004405325 is a wasteful number, since it uses less digits than its factorization.

40321004405325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805836 (or 805824 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 40321004405325 its reverse (52350440012304), we get a palindrome (92671444417629).

The spelling of 40321004405325 in words is "forty trillion, three hundred twenty-one billion, four million, four hundred five thousand, three hundred twenty-five".