409742630 has 16 divisors (see below), whose sum is σ = 804585744. Its totient is φ = 148997280.

The previous prime is 409742623. The next prime is 409742639. The reversal of 409742630 is 36247904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409742639) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1862357 + ... + 1862576.

It is an arithmetic number, because the mean of its divisors is an integer number (50286609).

Almost surely, 2^409742630 is an apocalyptic number.

409742630 is a deficient number, since it is larger than the sum of its proper divisors (394843114).

409742630 is a wasteful number, since it uses less digits than its factorization.

409742630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724951.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 409742630 is about 20242.1004344905. The cubic root of 409742630 is about 742.7404051732.

The spelling of 409742630 in words is "four hundred nine million, seven hundred forty-two thousand, six hundred thirty".