40320434210 has 64 divisors (see below), whose sum is σ = 84666643200. Its totient is φ = 13538948352.

The previous prime is 40320434191. The next prime is 40320434237. The reversal of 40320434210 is 1243402304.

It is a Curzon 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, 1092824 + ... + 1129116.

It is an arithmetic number, because the mean of its divisors is an integer number (1322916300).

Almost surely, 2^40320434210 is an apocalyptic number.

40320434210 is an abundant number, since it is smaller than the sum of its proper divisors (44346208990).

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

40320434210 is a wasteful number, since it uses less digits than its factorization.

40320434210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36635.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 40320434210 its reverse (1243402304), we get a palindrome (41563836514).

The spelling of 40320434210 in words is "forty billion, three hundred twenty million, four hundred thirty-four thousand, two hundred ten".