40361661222115 has 8 divisors (see below), whose sum is σ = 49615310380608. Its totient is φ = 31501784368320.

The previous prime is 40361661222109. The next prime is 40361661222143. The reversal of 40361661222115 is 51122216616304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-40361661222115 is a prime.

It is a Duffinian 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, 98443075947 + ... + 98443076356.

It is an arithmetic number, because the mean of its divisors is an integer number (6201913797576).

Almost surely, 2^{40361661222115} is an apocalyptic number.

40361661222115 is a deficient number, since it is larger than the sum of its proper divisors (9253649158493).

40361661222115 is a wasteful number, since it uses less digits than its factorization.

40361661222115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196886152349.

The product of its (nonzero) digits is 103680, while the sum is 40.

Adding to 40361661222115 its reverse (51122216616304), we get a palindrome (91483877838419).

The spelling of 40361661222115 in words is "forty trillion, three hundred sixty-one billion, six hundred sixty-one million, two hundred twenty-two thousand, one hundred fifteen".