404254045 has 16 divisors (see below), whose sum is σ = 536543280. Its totient is φ = 290456064.

The previous prime is 404254021. The next prime is 404254057. The reversal of 404254045 is 540452404.

It can be written as a sum of positive squares in 8 ways, for example, as 43178041 + 361076004 = 6571^2 + 19002^2 .

It is a cyclic number.

It is not a de Polignac number, because 404254045 - 2⁷ = 404253917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81640 + ... + 86449.

It is an arithmetic number, because the mean of its divisors is an integer number (33533955).

Almost surely, 2^404254045 is an apocalyptic number.

It is an amenable number.

404254045 is a deficient number, since it is larger than the sum of its proper divisors (132289235).

404254045 is a wasteful number, since it uses less digits than its factorization.

404254045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168144.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 404254045 is about 20106.0698546484. The cubic root of 404254045 is about 739.4091003566.

The spelling of 404254045 in words is "four hundred four million, two hundred fifty-four thousand, forty-five".