40342320403340 has 48 divisors (see below), whose sum is σ = 88944647678208. Its totient is φ = 15340627329984.

The previous prime is 40342320403249. The next prime is 40342320403361. The reversal of 40342320403340 is 4330402324304.

40342320403340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40342320403297 and 40342320403306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268945562 + ... + 269095521.

It is an arithmetic number, because the mean of its divisors is an integer number (1853013493296).

Almost surely, 2^{40342320403340} is an apocalyptic number.

It is an amenable number.

40342320403340 is an abundant number, since it is smaller than the sum of its proper divisors (48602327274868).

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

40342320403340 is a wasteful number, since it uses less digits than its factorization.

40342320403340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538041278 (or 538041276 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 40342320403340 its reverse (4330402324304), we get a palindrome (44672722727644).

The spelling of 40342320403340 in words is "forty trillion, three hundred forty-two billion, three hundred twenty million, four hundred three thousand, three hundred forty".