404274530 has 32 divisors (see below), whose sum is σ = 795158208. Its totient is φ = 146766400.

The previous prime is 404274517. The next prime is 404274551. The reversal of 404274530 is 35472404.

It is a junction number, because it is equal to n+sod(n) for n = 404274493 and 404274502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72440 + ... + 77820.

It is an arithmetic number, because the mean of its divisors is an integer number (24848694).

Almost surely, 2^404274530 is an apocalyptic number.

404274530 is a deficient number, since it is larger than the sum of its proper divisors (390883678).

404274530 is a wasteful number, since it uses less digits than its factorization.

404274530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6082.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 404274530 is about 20106.5792714723. The cubic root of 404274530 is about 739.4215896479.

The spelling of 404274530 in words is "four hundred four million, two hundred seventy-four thousand, five hundred thirty".