40240215554135 has 16 divisors (see below), whose sum is σ = 50433911949600. Its totient is φ = 30791230436736.

The previous prime is 40240215554129. The next prime is 40240215554197. The reversal of 40240215554135 is 53145551204204.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40240215554135 - 2²⁰ = 40240214505559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40240215554092 and 40240215554101.

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, 1843333820 + ... + 1843355649.

It is an arithmetic number, because the mean of its divisors is an integer number (3152119496850).

Almost surely, 2^{40240215554135} is an apocalyptic number.

40240215554135 is a deficient number, since it is larger than the sum of its proper divisors (10193696395465).

40240215554135 is a wasteful number, since it uses less digits than its factorization.

40240215554135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686689570.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 40240215554135 its reverse (53145551204204), we get a palindrome (93385766758339).

The spelling of 40240215554135 in words is "forty trillion, two hundred forty billion, two hundred fifteen million, five hundred fifty-four thousand, one hundred thirty-five".