40540513401340 has 24 divisors (see below), whose sum is σ = 85349524200192. Its totient is φ = 16175358492480.

The previous prime is 40540513401299. The next prime is 40540513401359. The reversal of 40540513401340 is 4310431504504.

It is a junction number, because it is equal to n+sod(n) for n = 40540513401296 and 40540513401305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2552921116 + ... + 2552936995.

It is an arithmetic number, because the mean of its divisors is an integer number (3556230175008).

Almost surely, 2^{40540513401340} is an apocalyptic number.

It is an amenable number.

40540513401340 is an abundant number, since it is smaller than the sum of its proper divisors (44809010798852).

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

40540513401340 is a wasteful number, since it uses less digits than its factorization.

40540513401340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105858517 (or 5105858515 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 40540513401340 its reverse (4310431504504), we get a palindrome (44850944905844).

The spelling of 40540513401340 in words is "forty trillion, five hundred forty billion, five hundred thirteen million, four hundred one thousand, three hundred forty".