40680342 has 12 divisors (see below), whose sum is σ = 88140780. Its totient is φ = 13560108.

The previous prime is 40680331. The next prime is 40680361. The reversal of 40680342 is 24308604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1129992 + ... + 1130027.

It is an arithmetic number, because the mean of its divisors is an integer number (7345065).

Almost surely, 2^40680342 is an apocalyptic number.

40680342 is an abundant number, since it is smaller than the sum of its proper divisors (47460438).

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

40680342 is a wasteful number, since it uses less digits than its factorization.

40680342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260027 (or 2260024 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 40680342 is about 6378.1142981292. The cubic root of 40680342 is about 343.9232465771.

Adding to 40680342 its reverse (24308604), we get a palindrome (64988946).

The spelling of 40680342 in words is "forty million, six hundred eighty thousand, three hundred forty-two".