40304210 has 8 divisors (see below), whose sum is σ = 72547596. Its totient is φ = 16121680.

The previous prime is 40304197. The next prime is 40304213. The reversal of 40304210 is 1240304.

It can be written as a sum of positive squares in 2 ways, for example, as 39853969 + 450241 = 6313^2 + 671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40304213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2015201 + ... + 2015220.

Almost surely, 2^40304210 is an apocalyptic number.

40304210 is a deficient number, since it is larger than the sum of its proper divisors (32243386).

40304210 is a wasteful number, since it uses less digits than its factorization.

40304210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030428.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40304210 is about 6348.5596791713. The cubic root of 40304210 is about 342.8599869969.

Adding to 40304210 its reverse (1240304), we get a palindrome (41544514).

The spelling of 40304210 in words is "forty million, three hundred four thousand, two hundred ten".