40320424322 has 32 divisors (see below), whose sum is σ = 65491441920. Its totient is φ = 18548524800.

The previous prime is 40320424307. The next prime is 40320424349. The reversal of 40320424322 is 22342402304.

It is a happy number.

It is a super-2 number, since 2×40320424322² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40320424291 and 40320424300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196973 + ... + 345599.

It is an arithmetic number, because the mean of its divisors is an integer number (2046607560).

Almost surely, 2^40320424322 is an apocalyptic number.

40320424322 is a deficient number, since it is larger than the sum of its proper divisors (25171017598).

40320424322 is a wasteful number, since it uses less digits than its factorization.

40320424322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148826.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 40320424322 its reverse (22342402304), we get a palindrome (62662826626).

The spelling of 40320424322 in words is "forty billion, three hundred twenty million, four hundred twenty-four thousand, three hundred twenty-two".