404552424505525 has 12 divisors (see below), whose sum is σ = 501663668914564. Its totient is φ = 323629899264000.

The previous prime is 404552424505513. The next prime is 404552424505543. The reversal of 404552424505525 is 525505424255404.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1749170243844 + 402803254261681 = 1322562^2 + 20069959^2 .

It is not a de Polignac number, because 404552424505525 - 2²¹ = 404552422408373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300323046 + ... + 301667095.

Almost surely, 2^{404552424505525} is an apocalyptic number.

It is an amenable number.

404552424505525 is a deficient number, since it is larger than the sum of its proper divisors (97111244409039).

404552424505525 is a wasteful number, since it uses less digits than its factorization.

404552424505525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602017032 (or 602017027 counting only the distinct ones).

The product of its (nonzero) digits is 32000000, while the sum is 52.

The spelling of 404552424505525 in words is "four hundred four trillion, five hundred fifty-two billion, four hundred twenty-four million, five hundred five thousand, five hundred twenty-five".