404045080 has 32 divisors (see below), whose sum is σ = 911877840. Its totient is φ = 161124480.

The previous prime is 404045077. The next prime is 404045087. The reversal of 404045080 is 80540404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404045087) 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, 2019 + ... + 28498.

Almost surely, 2^404045080 is an apocalyptic number.

404045080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404045080 is an abundant number, since it is smaller than the sum of its proper divisors (507832760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404045080 is a wasteful number, since it uses less digits than its factorization.

404045080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30859 (or 30855 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 404045080 is about 20100.8726178741. The cubic root of 404045080 is about 739.2816745005.

Adding to 404045080 its reverse (80540404), we get a palindrome (484585484).

The spelling of 404045080 in words is "four hundred four million, forty-five thousand, eighty".