404651045 has 8 divisors (see below), whose sum is σ = 492233496. Its totient is φ = 319286016.

The previous prime is 404650997. The next prime is 404651063. The reversal of 404651045 is 540156404.

It can be written as a sum of positive squares in 4 ways, for example, as 28058209 + 376592836 = 5297^2 + 19406^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404651045 - 2⁸ = 404650789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404650999 and 404651017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553952 + ... + 554681.

It is an arithmetic number, because the mean of its divisors is an integer number (61529187).

Almost surely, 2^404651045 is an apocalyptic number.

It is an amenable number.

404651045 is a deficient number, since it is larger than the sum of its proper divisors (87582451).

404651045 is a wasteful number, since it uses less digits than its factorization.

404651045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108711.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 404651045 is about 20115.9400724898. The cubic root of 404651045 is about 739.6510681458.

The spelling of 404651045 in words is "four hundred four million, six hundred fifty-one thousand, forty-five".