40342400340 has 48 divisors (see below), whose sum is σ = 123227697600. Its totient is φ = 9779975680.

The previous prime is 40342400249. The next prime is 40342400369. The reversal of 40342400340 is 4300424304.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40342400340.

It is a congruent number.

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, 30561765 + ... + 30563084.

It is an arithmetic number, because the mean of its divisors is an integer number (2567243700).

Almost surely, 2^40342400340 is an apocalyptic number.

It is an amenable number.

40342400340 is an abundant number, since it is smaller than the sum of its proper divisors (82885297260).

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

40342400340 is a wasteful number, since it uses less digits than its factorization.

40342400340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61124872 (or 61124870 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 40342400340 its reverse (4300424304), we get a palindrome (44642824644).

The spelling of 40342400340 in words is "forty billion, three hundred forty-two million, four hundred thousand, three hundred forty".