404413542025 has 24 divisors (see below), whose sum is σ = 508401504864. Its totient is φ = 319091011200.

The previous prime is 404413542019. The next prime is 404413542053. The reversal of 404413542025 is 520245314404.

It is not a de Polignac number, because 404413542025 - 2⁹ = 404413541513 is a prime.

It is a super-2 number, since 2×404413542025² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155037 + ... + 912613.

It is an arithmetic number, because the mean of its divisors is an integer number (21183396036).

Almost surely, 2^404413542025 is an apocalyptic number.

It is an amenable number.

404413542025 is a deficient number, since it is larger than the sum of its proper divisors (103987962839).

404413542025 is a wasteful number, since it uses less digits than its factorization.

404413542025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757881 (or 757876 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 404413542025 its reverse (520245314404), we get a palindrome (924658856429).

The spelling of 404413542025 in words is "four hundred four billion, four hundred thirteen million, five hundred forty-two thousand, twenty-five".