404452126 has 48 divisors (see below), whose sum is σ = 707032368. Its totient is φ = 172368000.

The previous prime is 404452121. The next prime is 404452127. The reversal of 404452126 is 621254404.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 404452094 and 404452103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404452121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384301 + ... + 385351.

It is an arithmetic number, because the mean of its divisors is an integer number (14729841).

Almost surely, 2^404452126 is an apocalyptic number.

404452126 is a deficient number, since it is larger than the sum of its proper divisors (302580242).

404452126 is a wasteful number, since it uses less digits than its factorization.

404452126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 404452126 is about 20110.9951519063. The cubic root of 404452126 is about 739.5298486670.

The spelling of 404452126 in words is "four hundred four million, four hundred fifty-two thousand, one hundred twenty-six".