40321411450625 has 40 divisors (see below), whose sum is σ = 51339904003080. Its totient is φ = 31646287296000.

The previous prime is 40321411450609. The next prime is 40321411450679. The reversal of 40321411450625 is 52605411412304.

It can be written as a sum of positive squares in 20 ways, for example, as 37285690652401 + 3035720798224 = 6106201^2 + 1742332^2 .

It is not a de Polignac number, because 40321411450625 - 2⁴ = 40321411450609 is a prime.

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 39 ways as a sum of consecutive naturals, for example, 600622061 + ... + 600689189.

It is an arithmetic number, because the mean of its divisors is an integer number (1283497600077).

Almost surely, 2^{40321411450625} is an apocalyptic number.

It is an amenable number.

40321411450625 is a deficient number, since it is larger than the sum of its proper divisors (11018492552455).

40321411450625 is an equidigital number, since it uses as much as digits as its factorization.

40321411450625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85335 (or 85320 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 40321411450625 its reverse (52605411412304), we get a palindrome (92926822862929).

The spelling of 40321411450625 in words is "forty trillion, three hundred twenty-one billion, four hundred eleven million, four hundred fifty thousand, six hundred twenty-five".