404426045 has 8 divisors (see below), whose sum is σ = 485968896. Its totient is φ = 323102416.

The previous prime is 404425981. The next prime is 404426047. The reversal of 404426045 is 540624404.

It is a happy number.

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 404426045 - 2⁶ = 404425981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404425999 and 404426017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404426047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50717 + ... + 58146.

It is an arithmetic number, because the mean of its divisors is an integer number (60746112).

Almost surely, 2^404426045 is an apocalyptic number.

It is an amenable number.

404426045 is a deficient number, since it is larger than the sum of its proper divisors (81542851).

404426045 is a wasteful number, since it uses less digits than its factorization.

404426045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109611.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 404426045 is about 20110.3467150619. The cubic root of 404426045 is about 739.5139521893.

The spelling of 404426045 in words is "four hundred four million, four hundred twenty-six thousand, forty-five".