42404410 has 32 divisors (see below), whose sum is σ = 80030592. Its totient is φ = 16146240.

The previous prime is 42404363. The next prime is 42404419. The reversal of 42404410 is 1440424.

42404410 = 811² + 812² + ... + 870².

It is not an unprimeable number, because it can be changed into a prime (42404419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75852 + ... + 76408.

It is an arithmetic number, because the mean of its divisors is an integer number (2500956).

Almost surely, 2^42404410 is an apocalyptic number.

42404410 is a deficient number, since it is larger than the sum of its proper divisors (37626182).

42404410 is a wasteful number, since it uses less digits than its factorization.

42404410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 42404410 is about 6511.8668598183. The cubic root of 42404410 is about 348.7147692900.

Adding to 42404410 its reverse (1440424), we get a palindrome (43844834).

The spelling of 42404410 in words is "forty-two million, four hundred four thousand, four hundred ten".