404550125 has 36 divisors (see below), whose sum is σ = 589601844. Its totient is φ = 276326400.

The previous prime is 404550101. The next prime is 404550131. The reversal of 404550125 is 521055404.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 1223236 + 403326889 = 1106^2 + 20083^2 .

It is not a de Polignac number, because 404550125 - 2¹⁴ = 404533741 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404550094 and 404550103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1573997 + ... + 1574253.

It is an arithmetic number, because the mean of its divisors is an integer number (16377829).

Almost surely, 2^404550125 is an apocalyptic number.

It is an amenable number.

404550125 is a deficient number, since it is larger than the sum of its proper divisors (185051719).

404550125 is an frugal number, since it uses more digits than its factorization.

404550125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 404550125 is about 20113.4314576106. The cubic root of 404550125 is about 739.5895733565.

The spelling of 404550125 in words is "four hundred four million, five hundred fifty thousand, one hundred twenty-five".