304202140 has 96 divisors (see below), whose sum is σ = 737372160. Its totient is φ = 104332800.

The previous prime is 304202137. The next prime is 304202153. The reversal of 304202140 is 41202403.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 399360 + ... + 400120.

It is an arithmetic number, because the mean of its divisors is an integer number (7680960).

Almost surely, 2^304202140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304202140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368686080).

304202140 is an abundant number, since it is smaller than the sum of its proper divisors (433170020).

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

304202140 is a wasteful number, since it uses less digits than its factorization.

304202140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 304202140 is about 17441.3915729222. The cubic root of 304202140 is about 672.5440811705.

Adding to 304202140 its reverse (41202403), we get a palindrome (345404543).

The spelling of 304202140 in words is "three hundred four million, two hundred two thousand, one hundred forty".