40215043513340 has 12 divisors (see below), whose sum is σ = 84451591378056. Its totient is φ = 16086017405328.

The previous prime is 40215043513291. The next prime is 40215043513369. The reversal of 40215043513340 is 4331534051204.

40215043513340 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40215043513340² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40215043513340.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1005376087814 + ... + 1005376087853.

It is an arithmetic number, because the mean of its divisors is an integer number (7037632614838).

Almost surely, 2^{40215043513340} is an apocalyptic number.

It is an amenable number.

40215043513340 is an abundant number, since it is smaller than the sum of its proper divisors (44236547864716).

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

40215043513340 is a wasteful number, since it uses less digits than its factorization.

40215043513340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010752175676 (or 2010752175674 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 40215043513340 its reverse (4331534051204), we get a palindrome (44546577564544).

The spelling of 40215043513340 in words is "forty trillion, two hundred fifteen billion, forty-three million, five hundred thirteen thousand, three hundred forty".