40320420234302 has 32 divisors (see below), whose sum is σ = 66174211408032. Its totient is φ = 18313676734464.

The previous prime is 40320420234301. The next prime is 40320420234317. The reversal of 40320420234302 is 20343202402304.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40320420234301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35795903 + ... + 36905114.

It is an arithmetic number, because the mean of its divisors is an integer number (2067944106501).

Almost surely, 2^{40320420234302} is an apocalyptic number.

40320420234302 is a deficient number, since it is larger than the sum of its proper divisors (25853791173730).

40320420234302 is a wasteful number, since it uses less digits than its factorization.

40320420234302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72701372.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 40320420234302 its reverse (20343202402304), we get a palindrome (60663622636606).

The spelling of 40320420234302 in words is "forty trillion, three hundred twenty billion, four hundred twenty million, two hundred thirty-four thousand, three hundred two".